Results 41 to 50 of about 129 (65)

Kriging Based Ionospheric Grid Model and Threat Model for Single-Frequency BDSBAS

ION GNSS+, The International Technical Meeting of the Satellite Division of The Institute of Navigation, 2023
Hongwen Wang, Xiaowei Lan, Kun Fang, Zhiqiang Dan, Zhipeng Wang, Yanbo Zhu   +5 more
openaire   +2 more sources

Pseudorange Bias Correction for BDSBAS Single Frequency Service

Lecture Notes in Electrical Engineering, 2022
Biao Jin, Liqian Zhao, Qijia Dong
exaly   +2 more sources

Research on BDSBAS Dual-Frequency Message Scheduler Optimization

Lecture Notes in Electrical Engineering, 2022
Jing Li, Rui Li, Jingcan Zhang, Tiantian Yang   +3 more
exaly   +2 more sources

Featured services and performance of BDS-3.

Science Bulletin, 2021
BeiDou Global Navigation Satellite System (BDS-3) not only performs the normal positioning, navigation and timing (PNT) functions, but also provides featured services, which are divided into geostationary orbit (GEO) and medium earth orbit (MEO ...
Yuanxi Yang, Li Liu, Jin-Long Li, Yu-Fei Yang, Tian-Qiao Zhang, Yue Mao, Bi-Jiao Sun, Xia Ren   +7 more
semanticscholar   +1 more source

GNSS positioning accuracy performance assessments on 1st and 2nd generation SBAS signals in Thailand

Journal of Applied Geodesy, 2023
This research evaluates the performance of the first and second-generation satellite-based augmentation system (SBAS) GAGAN and BDSBAS services in Thailand.
Phunsap Thari, Thayathip Thongtan, C. Satirapod   +2 more
semanticscholar   +1 more source

A Signal Quality Monitoring Technology Based on Multi-correlator for BDS B1C Signal

2021 IEEE 3rd International Conference on Civil Aviation Safety and Information Technology (ICCASIT), 2021
As an important supplement to Global Satellite Navigation System (GNSS), Satellite-Based Augmentation System (SBAS) implements wide area differential correction and integrity enhancement to ensure that GNSS core constellation meets the performance ...
Jingjun Guo, Xiang Wang, Kefan Wei, Mingquan Lu   +3 more
semanticscholar   +1 more source

Research on RBN fusion broadcasting based on Beidou technology

Other Conferences, 2021
The RBN-DGNSS, as a safeguard facility to support the navigation of ships, has been shut down by some countries, while the stations in China have been upgraded and can integrate and broadcast Beidou differential signals.
Zhen Yu, Jiachuan Liu
semanticscholar   +1 more source

A Signal Quality Monitoring Algorithm Based on Chip Domain Observables for BDS B1C Signal

, 2021
Evil waveforms (EWFs) could be considered as anomalous signals from the analog and/or digital signal generating hardware on board with imperfections or failures, and might introduce hazardous misleading information (HMI) to users.
Xiang Wang, Yang Gao, Xiaowei Cui, Gang Liu, Mingquan Lu   +4 more
semanticscholar   +1 more source

Ionospheric correlation analysis and spatial threat model for SBAS in China region

, 2020
Satellite Based Augmentation Systems (SBAS) broadcasts to users Grid Ionospheric Vertical Delays (GIVDs) and associated confidence bounds called Grid Ionospheric Vertical Errors (GIVEs) at Ionospheric Grid Points (IGPs).
Biao Jin, Shanshan Chen, Dongjun Li, Elhadi Takka, Zishen Li, Pengcheng Qu   +5 more
semanticscholar   +1 more source

Optimizing Ionospheric Semivariograms With Variable Correlation Parameters and Modeling Spatial Threats With Multiple Metrics for China Region

IEEE Transactions on Aerospace and Electronic Systems
The ionosphere presents a significant challenge for the satellite-based augmentation system (SBAS) due to its unpredictable ionospheric variations affecting satellite single-frequency signal propagation.
Hong-Wen Wang, Kun Fang, Zhipeng Wang, Xiao-Wei Lan, Xiao-Peng Hou, Yanbo Zhu   +5 more
semanticscholar   +1 more source