Robust carrier phase tracking in the GNSS space-time array processing anti-interference receiver

Yuchen Xie; Shaojie Ni; Ming Ma; Wei Xiao; Lei Chen

doi:10.1117/12.3057684

28 January 2025 Robust carrier phase tracking in the GNSS space-time array processing anti-interference receiver

Yuchen Xie, Shaojie Ni, Ming Ma, Wei Xiao, Lei Chen

Author Affiliations +

Proceedings Volume 13506, Sixth International Conference on Geoscience and Remote Sensing Mapping (GRSM 2024); 1350605 (2025) https://doi.org/10.1117/12.3057684
Event: Sixth International Conference on Geoscience and Remote Sensing Mapping (ICGRSM 2024), 2024, Qingdao, China

Abstract

Electromagnetic interference is one of the most serious threats to satellite navigation receivers, and the most effective countermeasures in the existing research is the space-time array processing (STAP) anti-interference technology. However, the traditional STAP will cause the signal signal phase to deviate, resulting in a decrease in phase tracking accuracy, or even serious consequences such as receiver loop loss. There are three bottleneck problem for the STAP bias correction, including the delay uncertainty in anti-interference filters, the non-ideal nature of the analog devices, and the unclearness of signal direction. Here, we propose a method for modifying the GNSS antenna array receiver’s signal phase deviation. Compared with the traditional algorithms, the proposed algorithm is implemented in a simple way and requires no a priori information. Simulation and 2 types of real data test results show that the proposed algorithm can effectively suppress the signal phase deviation caused by the STAP, and the residual error after the algorithm processing is less than 8°, which improves the receiver's signal phase tracking performance.

(2025) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yuchen Xie, Shaojie Ni, Ming Ma, Wei Xiao, and Lei Chen "Robust carrier phase tracking in the GNSS space-time array processing anti-interference receiver", Proc. SPIE 13506, Sixth International Conference on Geoscience and Remote Sensing Mapping (GRSM 2024), 1350605 (28 January 2025); https://doi.org/10.1117/12.3057684

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