Realization of simple antenna system using ETS-VIII satellite for land vehicle communications

Basari, M. Fauzan E. Purnomo, Kazuyuki Saito, Masaharu Takahashi, Koichi Ito

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

This paper presents a realization of a simple antenna system for land vehicle satellite communication that is tested in experiments conducted on the Engineering Test Satellite-VIII (ETS-VIII). The developed antenna system which was mounted onto a vehicle roof is compact, light weight with simple satellite-tracking operation. In order to realize compact antennas, an onboard-power divider and switching circuit for antenna feeding control are mounted under the array antenna. A Global Positioning System (GPS) module is used to provide accurate information on the vehicle's position and bearing during travelling. A personal computer (PC) is used as the control unit and data logger, which was specifically designed for this application, allow the switching circuit control as well as the retrieving of the received power levels and error rate. The field tests reported in this paper mainly address the tracking performance of the proposed antenna system. Satisfactory results were obtained. Good received power levels and bit error rate (BER) for tracking the ETS-VIII satellite were confirmed. Furthermore, in order to grasp the environmental factors that impact the quality of land vehicle communications, we carefully captured data at obstacles such as buildings, foliages, utility poles and highway overpasses. The results showed blockage and shadowing was confirmed. Additionally, when the antenna was tested at the inclined-road for simple propagation characteristics in elevation direction, stable reception of the satellite signals was realized.

Original languageEnglish
Pages (from-to)3375-3383
Number of pages9
JournalIEICE Transactions on Communications
VolumeE92-B
Issue number11
DOIs
Publication statusPublished - 1 Jan 2009

Keywords

  • Antenna system
  • ETS-VIII
  • Field experiment
  • Land vehicle satellite communication
  • Satellite-tracking

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