Rui Hirokawa

Engineering · Physical Sciences

10h-index350citations39works0.02yr avg
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Research Topics

GNSS positioning and interference(14), Inertial Sensor and Navigation(12), Satellite Communication Systems(9), Robotics and Sensor-Based Localization(8), Robotic Path Planning Algorithms(6)

Publications39 total

QZSS CLAS: Performance Evaluation and Improvement against Severe Ionospheric Disturbances Under High Solar Activity
Proceedings of the Satellite Division's International Technical Meeting (Online)/Proceedings of the Satellite Division's International Technical Meeting (CD-ROM)·2025
Ionospheric Modeling by Using Self-Organizing Map (SOM) Under the Disturbed Condition
Proceedings of the Satellite Division's International Technical Meeting (Online)/Proceedings of the Satellite Division's International Technical Meeting (CD-ROM)·2024
The First Satellite-Based Open PPP-RTK Service: Operational Experiences and Improvements
Proceedings of the Satellite Division's International Technical Meeting (Online)/Proceedings of the Satellite Division's International Technical Meeting (CD-ROM)·2023· 5 cited
PPP/PPP-RTK Message Authentication
NAVIGATION Journal of the Institute of Navigation·2023· 6 citedOpen Access
Light Integrity Algorithm Considering Local Environmental Feared Events
Proceedings of the Satellite Division's International Technical Meeting (Online)/Proceedings of the Satellite Division's International Technical Meeting (CD-ROM)·2022
Emergency Warning Utilizing Next-Generation PPP-RTK Service
Proceedings of the Satellite Division's International Technical Meeting (Online)/Proceedings of the Satellite Division's International Technical Meeting (CD-ROM)·2022· 3 cited
A Novel Clock Parameterization and Its Implications for Precise Point Positioning and Ionosphere Estimation
Sensors·2022· 2 citedOpen Access
PPP/PPP‐RTK open formats: Overview, comparison, and proposal for an interoperable message
NAVIGATION Journal of the Institute of Navigation·2021· 28 citedOpen Access
PPP/PPP-RTK Message Authentication
Proceedings of the Satellite Division's International Technical Meeting (Online)/Proceedings of the Satellite Division's International Technical Meeting (CD-ROM)·2021· 2 cited
Open Format Specifications for PPP/PPP-RTK Services: Overview and Interoperability Assessment
Proceedings of the Satellite Division's International Technical Meeting (Online)/Proceedings of the Satellite Division's International Technical Meeting (CD-ROM)·2020· 10 cited
A Message Authentication Proposal for SatelliteBased Nationwide PPP-RTK Correction Service
Proceedings of the Satellite Division's International Technical Meeting (Online)/Proceedings of the Satellite Division's International Technical Meeting (CD-ROM)·2019· 9 cited
CLASLIB: An Open-source Toolkit for Low-cost high-precision PPP-RTK Positioning
Proceedings of the Satellite Division's International Technical Meeting (Online)/Proceedings of the Satellite Division's International Technical Meeting (CD-ROM)·2019· 12 cited
The Operational Phase Performance of Centimeter-Level Augmentation Service (CLAS)
Proceedings of the ION ... Pacific PNT Meeting/Proceedings of the Institute of Navigation Pacific PNT·2019· 7 cited
Compact SSR Messages with Integrity Information for Satellite Based PPP-RTK Service
Proceedings of the Satellite Division's International Technical Meeting (Online)/Proceedings of the Satellite Division's International Technical Meeting (CD-ROM)·2016· 11 cited
Centimeter Level Augmentation Service (CLAS) in Japanese Quasi-Zenith Satellite System, its User Interface, Detailed Design, and Plan
Proceedings of the Satellite Division's International Technical Meeting (Online)/Proceedings of the Satellite Division's International Technical Meeting (CD-ROM)·2016· 26 cited
Design of Integrity Function on Centimeter Level Augmentation Service (CLAS) in Japanese Quasi-Zenith Satellite System
Proceedings of the Satellite Division's International Technical Meeting (Online)/Proceedings of the Satellite Division's International Technical Meeting (CD-ROM)·2016· 5 cited
Selective Augmentation of Positioning Satellites in Centimeter Level Augmentation Service
Journal of the Institute of Positioning Navigation and Timing of Japan·2016· 5 citedOpen Access
Suboptimal Gain Functions of Feedback Particle Filter Derived from Continuation Method
AIAA Guidance, Navigation, and Control Conference·2016· 9 cited
Centimeter Level Augmentation Service (CLAS) in Japanese Quasi-Zenith Satellite System, Design for Satellite Based RTK-PPP Services
Proceedings of the 28th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2015)·2015· 6 cited
Compact SSR messages for satellite based nation-wide PPP-RTK
2015· 1 cited
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Frequent Co-authors

Seigo Fujita(12), Yuki Sato(10), Kenji Nakakuki(9), Jun-ichi Takiguchi(8), Masakazu Miya(7), Junichi MEGURO(6), Taro Suzuki(6), Takumi HASHIZUME(5), Takuji Ebinuma(3), Daisuke Kubo(3), Shinji Suzuki(3), Ignacio Fernández‐Hernández(3), Koichi Sato(3), J. Takiguchi(2), Yoshiharu AMANO(2), Kaoru Tatsumi(2), Norizumi Motooka(2), Vincent Rijmen(2), Yusuke Aikawa(2), Natsuko Hayase(2)