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High-accuracy GNSS (Global Navigation Satellite System) positioning requires the receiver to use correction data. This data is typically delivered via 4G mobile internet. In this paper, we present a novel method to deliver the data via C-ITS (Cooperative Intelligent Transport Systems and Service). We compare its performance against using 4G and analyze the impact on the accuracy during data gaps, all using data collected in test drives from a real deployment in a small segment of a motorway. The results show that with C-ITS, a comparable performance can be achieved. The observed 2D position errors in our tests were below 3.1 cm for 95% and below 10 cm for more than 99% of the time.

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Centimeter-Level GNSS Positioning Using C-ITS for Correction Data Delivery: An Experimental Study

  • 会议论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年

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  • Roman Lesjak,
  • José M. Vallet García,
  • Susanne Schweitzer,
  • Karl Diengsleder-Lambauer,
  • Christoph Pilz,
  • Selim Solmaz,
  • Srdan Letina,
  • Gottfried Allmer

摘要

High-accuracy GNSS (Global Navigation Satellite System) positioning requires the receiver to use correction data. This data is typically delivered via 4G mobile internet. In this paper, we present a novel method to deliver the data via C-ITS (Cooperative Intelligent Transport Systems and Service). We compare its performance against using 4G and analyze the impact on the accuracy during data gaps, all using data collected in test drives from a real deployment in a small segment of a motorway. The results show that with C-ITS, a comparable performance can be achieved. The observed 2D position errors in our tests were below 3.1 cm for 95% and below 10 cm for more than 99% of the time.