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This research applies self-supervised learning via JEPA pretraining to enhance Positioning, Velocity, and Time (PVT) accuracy in dense urban environments where multipath interference is severe. By leveraging unlabeled GNSS data, the method significantly improves generalization for autonomous driving scenarios without relying solely on expensive labeled datasets. The core innovation lies in using deep learning architectures to correct range errors and quantify uncertainty, directly advancing machine learning applications in geospatial navigation.
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Opportunities of Self Supervised Learning for GNSS: Evaluation of a Deep Learning-Enhanced PVT Algorithm

arXiv1 min read

arXiv:2608.25674v1 Announce Type: new Abstract: This work proposes a Deep Learning Enhanced PVT algorithm to mitigate multipath interference in dense urban areas. A supervised objective jointly predicts range corrections and uncertainty, while a JEPA-based self-supervised pretraining stage improves representation quality. The algorithm is evaluated over diverse driving scenarios, substantially improving PVT accuracy, particularly for unseen harsh urban conditions. These results highlight the potential of unlabelled GNSS data to improve generalization performance.

Abstract:This work proposes a Deep Learning Enhanced PVT algorithm to mitigate multipath interference in dense urban areas. A supervised objective jointly predicts range corrections and uncertainty, while a JEPA-based self-supervised pretraining stage improves representation quality. The algorithm is evaluated over diverse driving scenarios, substantially improving PVT accuracy, particularly for unseen harsh urban conditions. These results highlight the potential of unlabelled GNSS data to improve generalization performance.

Robotics (cs.RO)

arXiv:2608.25674 [cs.RO]

(or arXiv:2608.25674v1 [cs.RO] for this version)

https://doi.org/10.48550/arXiv.2608.25674 Focus to learn more arXiv-issued DOI via DataCite (pending registration)

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Full text under the publisher's open licence · 159 words

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