Results 51 to 60 of about 135 (115)

Performance Evaluation and Application Field Analysis of Precise Point Positioning Based on Different Real-Time Augmentation Information

Remote Sensing
The most commonly used real-time augmentation services in China are the International GNSS Service’s (IGS) real-time service (RTS), PPP-B2b service, and Double-Frequency Multi-Constellation (DFMC) service of the BeiDou Satellite-Based Augmentation System
Mengjun Wu, Le Wang, Wei Xie, Fan Yue, Bobin Cui   +4 more
doaj   +1 more source

Enhancing PPP-B2b Performance with Regional Atmospheric Augmentation

Remote Sensing
Currently, the PPP-B2b service faces challenges such as long convergence times and re-convergence issues after signal interruptions due to the lack of high-precision atmospheric enhancement.
Qing Zhao, Shuguo Pan, Wang Gao, Xianlu Tao, Hao Liu, Zeyu Zhang, Qiang Wang   +6 more
doaj   +1 more source

Performance of PPP and PPP-RTK with new-generation GNSS constellations and signals

Satellite Navigation
The expansion of Global Navigation Satellite Systems (GNSS) and Regional Navigation Satellite Systems (RNSS), along with broadcasting of additional signals, offers more options for Precise Point Positioning (PPP). Utilizing a number of constellations and
Xiaohong Zhang, Yuhang Yang, Haochen Yang, Xiaodong Ren, Xiaojing Lin, Xuan Le, Xin Li   +6 more
doaj   +1 more source

High-precision services of BeiDou navigation satellite system (BDS): current state, achievements, and future directions

Satellite Navigation
With the rapid development of technologies such as autonomous driving and robotic navigation, the demand for accurate and reliable positioning results with BDS has increased.
Weiguang GAO, Wei Zhou, Chengpan Tang, Xingxing Li, Yongqiang Yuan, Xiaogong Hu   +5 more
doaj   +1 more source

Performance of Ground-Based Global Navigation Satellite System Precipitable Water Vapor Retrieval in Beijing with the BeiDou B2b Service

Remote Sensing
The accurate measurement of water vapor is essential for research about and the applications of meteorology, climatology, and hydrology. Based on the BeiDou PPP-B2b service, real-time precipitable water vapor (PWV) can be retrieved with the precise point
Yunchang Cao, Zhenhua Cheng, Jingshu Liang, Panpan Zhao, Yucan Cao, Yizhu Wang   +5 more
doaj   +1 more source

BDS PPP ambiguity resolution using B1I/B2I/B3I/B1C/B2a observations with regional reference network augmentation

Geo-spatial Information Science
BeiDou navigation satellite system with global coverage (BDS-3) has been fully operational since July 2020, currently providing the positioning, navigation and timing service together with regional BDS-2. In addition to the legacy signals of B1I and B3I,
Hongbo Lyu, Xingxing Li, Jiaxin Huang, Guolong Feng, Bo Wang, Xin Li, Zhiheng Shen   +6 more
doaj   +1 more source

Assessment of Galileo High Accuracy Service (HAS) test signals and preliminary positioning performance. [PDF]

GPS Solut, 2023
Naciri N, Yi D, Bisnath S, de Blas FJ, Capua R.   +4 more
europepmc   +1 more source

BDS-PPP-B2b-Based Smartphone Precise Positioning Model Enhanced by Mixed-Frequency Data and Hybrid Weight Function

Applied Sciences
Compared to high-cost hardware-based Global Navigation Satellite System (GNSS) positioning techniques, smartphone-based precise positioning technology plays an important role in applications such as the Internet of Things (IoT). Since Google released the
Zhouzheng Gao, Zhixiong Wu, Shiyu Liu, Cheng Yang   +3 more
doaj   +1 more source

Algorithms Research and Precision Comparison of Different Frequency Combinations of BDS-3\GPS\Galileo for Precise Point Positioning in Asia-Pacific Region. [PDF]

Sensors (Basel), 2023
Gao M, Cao Z, Meng Z, Tan C, Zhu H, Huang L.   +5 more
europepmc   +1 more source

Estimating BDS-3 Satellite Differential Code Biases with the Single-Frequency Uncombined PPP Model. [PDF]

Sensors (Basel), 2023
Wu J, Gao S, Li D.
europepmc   +1 more source