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This paper investigates and evaluates the effectiveness of an automatic monitoring solution based on the GNSS-RTK method, in comparison with GNSS-PPK, for structural monitoring applications. The study employs two Comnav GNSS-N3 receivers, multi-frequency, multi-channel devices, operating autonomously on the professional CDMonitor platform. Results show that, at short distances, the accuracy of the RTK solution is comparable to that of the PPK approach. These findings serve as a foundation for selecting a suitable monitoring method for structures where the distance between the base station and the antenna mounted on the structure is a critical factor.

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RTK and PPK Method in Automatic Bridge Monitoring

  • 会议论文

  • 发表日期：

    2026年

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  • Viet Ha Nguyen,
  • Ngoc Quang Vu

摘要

This paper investigates and evaluates the effectiveness of an automatic monitoring solution based on the GNSS-RTK method, in comparison with GNSS-PPK, for structural monitoring applications. The study employs two Comnav GNSS-N3 receivers, multi-frequency, multi-channel devices, operating autonomously on the professional CDMonitor platform. Results show that, at short distances, the accuracy of the RTK solution is comparable to that of the PPK approach. These findings serve as a foundation for selecting a suitable monitoring method for structures where the distance between the base station and the antenna mounted on the structure is a critical factor.