Equilateral triangular slot antenna for communication system and GNSS RO sensor of GAIA-I microsatellite

Asif Awaludin, Josaphat Tetuko Sri Sumantyo, Koichi Ito, Steven Gao, Achmad Munir, Mohd Zafri Baharuddin, Cahya Edi Santosa

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Two wideband circularly polarized (CP) equilateral triangular slot (ETS) antennas are proposed for communication system and the Global Navigation Satellite System (GNSS) Radio Occultation (RO) sensor of the GAIA-I microsatellite. These wide slot antennas use the ring slot antenna CP generation method due to their shape. The compact antennas employ truncated corners, grounded equilateral triangular perturbation patch and branched feed line to create CP radiation. A 3-dB axial ratio bandwidth (ARBW) enhancement is achieved by inserting a pair of slits into the ETS. A parametric study on the influence of those shape modifications in reflection coefficient and axial ratio is presented. An ETS antenna for communication system of the GAIA-I is fabricated and measured, which is shown to agree well with its simulated performance by providing CP fractional bandwidth of 52%. An ETS antenna designed for the GNSS RO sensor of GAIA-I delivers 3-dB ARBWof 41.6%. The ETS antenna offers uni-directional radiation by mounting a 3D printed truncated cone reflector underneath which also enhances antenna gain.

Original languageEnglish
Pages (from-to)835-846
Number of pages12
JournalIEICE Transactions on Communications
VolumeE101B
Issue number3
DOIs
Publication statusPublished - 01 Mar 2018

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Slot antennas
Radio systems
Communication systems
Navigation
Satellites
Sensors
Antennas
Bandwidth
Radiation
Mountings
Cones

All Science Journal Classification (ASJC) codes

  • Software
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

Awaludin, Asif ; Tetuko Sri Sumantyo, Josaphat ; Ito, Koichi ; Gao, Steven ; Munir, Achmad ; Baharuddin, Mohd Zafri ; Edi Santosa, Cahya. / Equilateral triangular slot antenna for communication system and GNSS RO sensor of GAIA-I microsatellite. In: IEICE Transactions on Communications. 2018 ; Vol. E101B, No. 3. pp. 835-846.
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Equilateral triangular slot antenna for communication system and GNSS RO sensor of GAIA-I microsatellite. / Awaludin, Asif; Tetuko Sri Sumantyo, Josaphat; Ito, Koichi; Gao, Steven; Munir, Achmad; Baharuddin, Mohd Zafri; Edi Santosa, Cahya.

In: IEICE Transactions on Communications, Vol. E101B, No. 3, 01.03.2018, p. 835-846.

Research output: Contribution to journalArticle

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AU - Munir, Achmad

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