Results 71 to 80 of about 4,613,389 (161)

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

Foreign divestment of B2B service firms: Institutional unpredictability and digitalization institutions

Despite the significance of institutions for the business-to-business (B2B) service sector in both the conventional and digital marketplaces, the impacts of ever-changing conventional institutions and newly emerged digitalization institutions on B2B ...
Rammal, HG, Cavusgil, ST, Tang, RW
core   +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

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

B2B e -Marketplaces. What´s In It For Me? [PDF]

(WP28/02 Clave pdf) Commerce among firms through the Internet, the so-called B2B commerce, constitutes a newly developed area in which most theses are yet to be demonstrated. The value proposition for firms in B2B commerce suggests the creation of highly
ENRIQUE DANS
core  

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

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

Enhancing multi-station URTK over long baselines using BDS PPP-B2b and Galileo HAS real-time precise corrections

Satellite Navigation
Long baselines and discontinuous communication links present significant challenges for real-time high-precision positioning. In sparse reference station networks, conventional Network Real-Time Kinematic (NRTK) suffers from amplified long-baseline ...
Zeyu Zhang, Wang Gao, Shuguo Pan, Xiaolin Meng, Hong Huang   +4 more
doaj   +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