Gain Performance Analysis of A Parabolic Reflector Fed with A Rectangular Microstrip Array Antenna

B. Pratiknyo Adi Mahatmanto, Catur Apriono

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Satellite communication widely uses antennas with reflectors to achieve high gain for the long-distance signal transmission. This configuration mainly consists of a feeding antenna and a parabolic reflector that should be optimized to obtain the most optimum performance. This paper investigates some factors affecting the antenna performances, especially gain, for a C-band satellite ground station, such as losses contributed by materials, efficiencies, and distance between feeder and reflector. CST Microwaves Studio is used to simulated and investigates the gain performance of the proposed antenna model. The feeder antenna is a 4x4 microstrip array antenna, which has gain and bandwidth of 13.7 dB at frequency 4.148 GHz and 3.794-4.528 GHz, respectively. The parabolic reflector diameter is 2.4 m. The analyzed parameters include gain and directivity generated by theoretical calculations and simulations. Theoretically, the maximum directivity is 39.85 dB. However, the simulated antenna gain is 31.1 dB. This reduced value is coming from the effect of efficiency, material losses, and unexpected radiation pattern from the feeding antenna. The proposed design has successfully increased the gain of 17.4 dB by combining a reflector antenna. This result still has a niche to be further improved by considering the affecting factors.

Original languageEnglish
Title of host publicationProceedings - 2020 IEEE International Conference on Industry 4.0, Artificial Intelligence, and Communications Technology, IAICT 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages142-145
Number of pages4
ISBN (Electronic)9781728193366
DOIs
Publication statusPublished - Jul 2020
Event2020 IEEE International Conference on Industry 4.0, Artificial Intelligence, and Communications Technology, IAICT 2020 - Bali, Indonesia
Duration: 7 Jul 20208 Jul 2020

Publication series

NameProceedings - 2020 IEEE International Conference on Industry 4.0, Artificial Intelligence, and Communications Technology, IAICT 2020

Conference

Conference2020 IEEE International Conference on Industry 4.0, Artificial Intelligence, and Communications Technology, IAICT 2020
CountryIndonesia
CityBali
Period7/07/208/07/20

Keywords

  • antenna
  • feed
  • gain
  • microstrip
  • parabolic
  • reflector

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