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The Initial Performance Evaluation of Mixed Multi-Frequency Undifferenced and Uncombined BDS-2/3 Precise Point Positioning under Urban Environmental Conditions

Remote Sensing, 2022
With the full operation of the global BeiDou navigation satellite system (BDS-3), positioning performance can be further enhanced by BDS-3 combined with the regional BeiDou navigation satellite system (BDS-2).
Fuxin Yang, Chuanlei Zheng, Jie Zhang, Zhiguo Sun, Liang Li, Lin Zhao   +5 more
doaj   +1 more source

On the potential contribution of BeiDou-3 to the realization of the terrestrial reference frame scale [PDF]

, 2022
Since the release of the phase center calibrations for both the receivers and the satellites, the BeiDou Navigation Satellite System (BDS) became a new potential contributor to the realization of the terrestrial reference frame (TRF) scale of future ...
Montenbruck, Oliver, Steigenberger, Peter, Zajdel, Radoslaw   +2 more
core   +1 more source

Performance Evaluation of Precise Point Positioning for BeiDou-3 B1c/B2a Signals in the Global Range

Sensors, 2021
With the construction and development of the BeiDou navigation satellite system (BDS), the precise point positioning (PPP) performance of the BDS is worthy of research.
Ershen Wang, Tao Yang, Zhi Wang, Yize Zhang, Jing Guo, Wansen Shu, Pingping Qu   +6 more
doaj   +1 more source

BDS-3 Integrity Risk Modeling and Probability Evaluation [PDF]

Remote Sensing, 2022
Focusing on the global integrity monitoring performance of the BDS-3, the integrity failure model and effect analysis (IFMEA) of the system space segment and the ground control segment were carried out, and the system integrity risk tree model was established according to the IFMEA results.
Lei Chen, Weiguang Gao, Zhigang Hu, Yueling Cao, Ling Pei, Cheng Liu, Wei Zhou, Xuanzuo Liu, Liang Chen, Ronghua Yang   +9 more
openaire   +2 more sources

Assessment of BeiDou-3 and Multi-GNSS Precise Point Positioning Performance

Sensors, 2019
With the launch of BDS-3 and Galileo new satellites, the BeiDou navigation satellite system (BDS) has developed from the regional to global system, and the Galileo constellation will consist of 26 satellites in space. Thus, BDS, GPS, GLONASS, and Galileo
Guoqiang Jiao, Shuli Song, Yulong Ge, Ke Su, Yangyang Liu   +4 more
doaj   +1 more source

Evaluation of Network RTK Positioning Performance Based on BDS-3 New Signal System

Remote Sensing, 2021
The BeiDou navigation satellite system (BDS-3) has been deployed and provides positioning, navigation, and timing (PNT) services for users all over the world.
Pengxu Wang, Hui Liu, Zhixin Yang, Bao Shu, Xintong Xu, Guigen Nie   +5 more
doaj   +1 more source

Evaluation of Inter-System Bias between BDS-2 and BDS-3 Satellites and Its Impact on Precise Point Positioning

Remote Sensing, 2020
The BeiDou navigation satellite system (BDS) currently has 41 satellites in orbits and will reach its full constellation following the launch of the last BDS satellite in June 2020 to provide navigation, positioning, and timing (PNT) services for global ...
Wen Zhao, Hua Chen, Yang Gao, Weiping Jiang, Xuexi Liu   +4 more
doaj   +1 more source

Analysis and Assessment of BDS-2 and BDS-3 Broadcast Ephemeris: Accuracy, the Datum of Broadcast Clocks and Its Impact on Single Point Positioning

Remote Sensing, 2020
For the global ordinary users, the broadcast ephemeris plays important roles in positioning, navigation and timing (PNT) services. With the construction of a new generation of the BeiDou navigation satellite system (BDS), the development of BDS has ...
Guoqiang Jiao, Shuli Song, Yangyang Liu, Ke Su, Na Cheng, Shengli Wang   +5 more
doaj   +1 more source

Preliminary Analysis of Intersystem Biases in BDS-2/BDS-3 Precise Time and Frequency Transfer

Remote Sensing, 2022
The Chinese BeiDou global satellite system (BDS-3) and regional system (BDS-2) are predicted to coexist over the next decade. Intersystem biases (ISBs) in BDS-2/BDS-3 play a key role in maintaining the consistency and continuity from the BDS-2 to BDS-3 ...
Pengfei Zhang, Rui Tu, Linlin Tao, Bing Wang, Yuping Gao, Xiaochun Lu   +5 more
doaj   +1 more source

Temporal bone fracture presenting as isolated facial nerve paralysis mimicking Bell’s palsy: A case report

Advances in Oral and Maxillofacial Surgery, 2022
Facial nerve paralysis can be caused by temporal bone fractures. We present a case of a teenager presenting with a displaced fracture of the left zygomatic complex and left mandibular parasymphysis.
Nazish Ashfaq Khan, Bushra ul Anne Syed, Amina Usmani   +2 more
doaj