In-situ Antenna Pointing Angle Calibration for Q-band Satellite Ground Station

Wei Fan, Wen Yang, Lizhu Meng, Patrick Claus Friedrich Eggers, Fengchun Zhang, Igor Aleksandrovich Syrytsin, Johannus Kristmundsson, Suiyan Geng, Gert Frølund Pedersen

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Abstract

Exploration of millimeter-wave (mmWave) bands has gained a significant interest in satellite communications. mmWave satellite communication link quality is highly sensitive to the pointing angle of the antenna in the ground station, due to its high directivity. For the multiantenna ground station design, it is also of importance to know pointing angles and angle difference of all antenna elements. However, it is challenging in the real-world setup. In this letter, we propose a novel calibration technique to estimate the electrical antenna pointing angle of the in situ ground station based on the received signal power pattern on the ground station, which is time-variant according to the satellite in-orbital motion. The proposed algorithm is numerically simulated and experimentally validated, demonstrating its effectiveness for the in situ antenna pointing angle calibration.

Original languageEnglish
Article number9099386
JournalI E E E Antennas and Wireless Propagation Letters
Volume19
Issue number7
Pages (from-to)1246-1250
Number of pages5
ISSN1536-1225
DOIs
Publication statusPublished - May 2020

Keywords

  • Beacon receiver design
  • in situ antenna pointing angle calibration
  • radio propagation
  • satellite communication

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