Smartphone and Android GNSS Positioning

smartphoneAndroid GNSSlow-cost sensorsurban positioningmachine learning

Smartphone GNSS is noisy and constrained — and that makes it a great research testbed:

Models and inference robust to low-cost sensors
Urban positioning improved by learning and probabilistic fusion

Related Publications

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3D Building Model Pedestrian Positioning Method using GPS/GLONASS/QZSS and Its Reliability Calculation

Hsu L. T, Gu Y, Kamijo S

GPS Solutions (2016)

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A probabilistic model of pedestrian crossing behavior at signalized intersections for connected vehicles

Hashimoto Y, Gu Y, Hsu L. T, Iryo-Asano M, Kamijo S

Transportation Research Part C-Emerging Technologies (2016)

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Accurate Estimation of Pedestrian Orientation from On-board Camera and Inertial Sensors

Gu Y, Hsu L. T, Kamijo S

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (2016)

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An Adaptive Weighted GNSS/VINS/Wi-Fi RTT-based Seamless Positioning System for Smartphone

Meiling Su, Bing Wang, Sugata Ahad, Xinyue Huang, Guohao Zhang, Li-Ta Hsu

2024 14th International Conference on Indoor Positioning and Indoor Navigation (IPIN) (2024)

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Enhancing Smartphone-based Pedestrian Positioning: Using Factor Graph Optimization with Indoor/Outdoor Detection for 3DMA GNSS/Visual-Inertial State Estimation

Ho H. Y, Ng H. F, Wen W, Gu Y, Hsu L. T

Journal of Data Science and Intelligent Systems (2024)

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Evaluation of Multi-GNSSs and GPS with 3D Map Methods for Pedestrian Positioning in an Urban Canyon Environment

Hsu L. T, Chen F, Kamijo S

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (2015)

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Factor Graph Optimization-Based Smartphone IMU-Only Indoor SLAM With Multi-Hypothesis Turning Behavior Loop Closures

Bai S, Wen W, Hsu L. T, Yang P

IEEE Transactions on Aerospace and Electronic Systems (2024)

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Framework for Low-Cost Indoor Smartphone Camera-based Localization Using Spherical Panorama and BIM

Lee M. J. L, Lin J, Zhang G, Hsu L. T

IEEE Sensors Journal (2025)

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GNSS Correction using Altitude Map and Its Integration with Pedestrian Dead Reckoning

Huang Y, Gu Y, Hsu L. T

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Science (2018)

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Graph-Based Indoor 3D Pedestrian Location Tracking With Inertial-Only Perception

Bai S, Wen W, Su D, Hsu L. T

IEEE Transactions on Mobile Computing (2025)

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journal Featured

Robust GNSS Shadow Matching for Smartphones in Urban Canyons

Ng H.F, Zhang G, Hsu L. T

IEEE Sensors Journal (2021)

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Semantic-Based VPS for Smartphone Localization in Challenging Urban Environments

Lee J.L. M, Hsu L. T, Ng H.-F

Sensors (2021)

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Towards Persistent Spatial Awareness: A Review of Pedestrian Dead Reckoning-Centric Indoor Positioning with Smartphones

Bai S, Wen W, Li Y, Shi C, Hsu L. T

IEEE Transactions on Instrumentation and Measurement (2024)

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Urban Pedestrian Navigation using Smartphone-based Dead Reckoning and 3D Maps Aided GNSS

Hsu L. T, Gu Y, Huang Y, Kamijo S

IEEE Sensors Journal (2016)

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journal

Urban Positioning: 3D Mapping Aided GNSS using Dual-Frequency Pseudorange Measurements from Smartphones

Ng H.F, Zhang G, Hsu L. T

Navigation, Journal of Institute of Navigation (2021)

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