Enhanced 3 dB AR beamwidth metamaterial antenna for nanosatellite payload communication system

T. Alam, Mohammad Tariqul Islam, M. Cho

Research output: Contribution to journalArticle

Abstract

A compact dual-circular polarised metamaterial inspired antenna is proposed for nanosatellite payload communication. The antenna consists of two-layered stacked structure with a sandwich rectangular parasitic layer between two layers. Two double negative metamaterial cells. Two unit cells of DNG metamaterial structure are applied inside the pentagonal radiator to enhance 3 dB axial ratio (AR) bandwidth and beamwidth. Two orthogonal feedings are utilised to generate dual-circular polarisation (CP). The antenna achieves measured 710 MHz (3.06–3.77 GHz) of -10 dB impedance bandwidth with 160 MHz (3.02–3.18 GHz) and 210 MHz (3.05–3.26 GHz) of 3 dB AR bandwidth for port 1 and port 2, respectively. The 3 dB AR beamwidth of 165° for port 1 and 212° for port 2 is exhibited with an average realised gain of 5.15 dB. A 1U nanosatellite structure has been utilised to realise the antenna performance while operation in real-time environment.

Original languageEnglish
Pages (from-to)1104-1106
Number of pages3
JournalElectronics Letters
Volume54
Issue number19
DOIs
Publication statusPublished - 20 Sep 2018

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Metamaterial antennas
Nanosatellites
Communication systems
Metamaterials
Antennas
Bandwidth
Circular polarization
Radiators
Communication

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Enhanced 3 dB AR beamwidth metamaterial antenna for nanosatellite payload communication system. / Alam, T.; Islam, Mohammad Tariqul; Cho, M.

In: Electronics Letters, Vol. 54, No. 19, 20.09.2018, p. 1104-1106.

Research output: Contribution to journalArticle

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