Posts by Collection

projects

Galileo Improved Services for Cadastral Augmentation Development On-field Validation (GISCAD-OV) Project

GNSS PPP performance analysis of the developed Galileo High Accuracy Service (HAS) and pilot research results

Duration: 2020 – 2023
Role: HAS Algorithm Developer / Project Lead

York-Huawei Smartphone Collaboration Project

Design of core RTK and PPP GNSS+IMU C++ code for smartphone navigation in realistic driving environments

Duration: 2021 – 2023
Role: GNSS Algorithm Developer / Project Lead

York-NovAtel Ionospheric Modelling Project

GNSS PPP performance analysis of the developed Galileo High Accuracy Service (HAS) and pilot research results

Duration: 2025 - 2026
Role: Iono modelling Algorithm Developer / Project Lead

publications

Native Smartphone Single- and Dual-Frequency GNSS-PPP/IMU Solution in Real-World Driving Scenarios

Published in Remote Sensing (2021) — CAS Q2, First author

Recommended citation: Yi, D., Yang, S., & Bisnath, S. (2022). Native smartphone single-and dual-frequency GNSS-PPP/IMU solution in real-world driving scenarios. Remote Sensing, 14(14), 3286.
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Effects of ionospheric constraints in Precise Point Positioning processing of geodetic, low-cost and smartphone GNSS measurements

Published in Measurement (2021) — CAS Q2 (Top), First author and Corresponding author

Recommended citation: Yi, D., Bisnath, S., Naciri, N., & Vana, S. (2021). Effects of ionospheric constraints in Precise Point Positioning processing of geodetic, low-cost and smartphone GNSS measurements. Measurement, 183, 109887.
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Resilient Smartphone Positioning Using Native Sensors and PPP Augmentation

Published in NAVIGATION: Journal of the Institute of Navigation (2023) — CAS Q3, Corresponding author

*Tightly coupled GNSS-PPP integration architecture*

Recommended citation: Yang, S., Yi, D., Vana, S., & Bisnath, S. (2023). Resilient smartphone positioning using native sensors and PPP augmentation. NAVIGATION: Journal of the Institute of Navigation, 70(2).
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Hybridization of Smartphone GNSS PPP/RTK with Native IMU in Realistic Driving Scenarios

Published in INSTITUTE OF NAVIGATION (ION) (2023) — Student Paper Award

Processing architecture for hybrid engine — *Processing architecture for smartphone hybrid RTK and PPP engine*

Recommended citation: Yi, D., & Yang, S. (2023). Hybridization of smartphone GNSS PPP/RTK with native IMU in realistic driving scenarios. In Proceedings of the 36th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2023) (pp. 2227-2241).
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Galileo HAS: A Performance Assessment in Urban Driving Environments

Published in Inside GNSS (2023) — Leading international GNSS magazine

Recommended citation: Yi, D., Bisnath, S., Naciri, N., de Blas, F. J., & Capua, R. (2023). Galileo HAS: A performance assessment in urban driving environments. Inside GNSS.
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Improving PPP smartphone processing with adaptive quality control method in obstructed environments when carrier-phase measurements are missing

Published in GPS Solutions (2024) — CAS Q1 (Top), First author

*Overall horizontal statistics for road tests 1 to 4*

Recommended citation: Yi, D., Hu, J., & Bisnath, S. (2024). Improving PPP smartphone processing with adaptive quality control method in obstructed environments when carrier-phase measurements are missing. GPS Solutions, 28(1), 56.
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Precise positioning utilizing smartphone GNSS/IMU integration with the combination of Galileo high accuracy service (HAS) corrections and broadcast ephemerides

Published in GPS Solutions (2024) — CAS Q1 (Top), First author and Corresponding author

Recommended citation: Yi, D., Naciri, N., & Bisnath, S. (2024). Precise positioning utilizing smartphone GNSS/IMU integration with the combination of Galileo high accuracy service (HAS) corrections and broadcast ephemerides. GPS Solutions, 28(3), 140.
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Smartphone GNSS Lane-Level Navigation With Galileo HAS Corrections and an Iterative PPP Algorithm

Published in IEEE Internet of Things Journal (2025) — CAS Q1 (Top), First author and Corresponding author

*Iterative PPP with moving windows approach*

Recommended citation: Yi, D., Naciri, N., & Bisnath, S. (2025). Smartphone GNSS Lane-Level Navigation With Galileo HAS Corrections and an Iterative PPP Algorithm. IEEE Internet of Things Journal.
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Ding Yi