A GNSS receiver positioning algorithm based on weighting the statistical properties of discontinuous signals at lower rotation speeds

Jiahui Gan, Peng Wu, Lu Feng, ZhiChun Dai and Rundong Li

PLOS ONE, 2025, vol. 20, issue 12, 1-24

Abstract: During relatively low-speed rotation, the receiver captures the signal only when the antenna is turned in the direction of the satellite due to the long signal loss, a process in which the signal may be affected by noncontinuous reception. The conventional numerical preprocessing method for mitigating this is to reject the data with poor convergence as outliers. The conventional approach to this effect is to reject the poorly converged data as outliers, however, in non-continuous reception environments, simple rejection reduces the available satellite data and also affect the satellite geometric distribution, which further deteriorates the positioning results. In this paper, we propose a Global Navigation Satellite System (GNSS) receiver positioning algorithm based on weighting the statistical characteristics of discontinuous signals at lower rotational speeds. The method references the preorder available positioning results and employs a Kalman filtering algorithm designed based on independent model identification of observation weights to fully utilize the observation data of each satellite and improve the positioning accuracy. According to experimental data, the horizontal positioning error is reduced from 37.16 m with the original positioning algorithm to 28.31 m with the proposed method at 1/18 r/s, as an example.

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0336707

DOI: 10.1371/journal.pone.0336707

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