Results 51 to 60 of about 2,505 (209)

International Application of BeiDou Navigation Satellite System

open access: yes中国工程科学, 2023
The international application of the BeiDou navigation satellite system (BDS) is a new requirement for BDS development in the new development stage; it is also significant for promoting the high-quality development of the Belt and Road, establishing a ...
Yang Changfeng   +4 more
doaj   +1 more source

Characterizing Power Consumption of Dual-Frequency GNSS of a Smartphone

open access: yes, 2020
Location service is one of the most widely used features on a smartphone. More and more apps are built based on location services. As such, demand for accurate positioning is ever higher.
Karki, Bikram, Won, Myounggyu
core   +1 more source

Positioning Performance Comparison Between GPS and BDS With Data Recorded at Four MGEX Stations

open access: yesIEEE Access, 2020
In December 2018, the BeiDou III (BDS-3) basic system was completed and began to provide global services. along with the BeiDou second-generation satellite navigation system (BDS-2) and Beidou first-generation satellite navigation system (BDS-1), the ...
Xiaping Ma   +4 more
doaj   +1 more source

Glogbal Services of BeiDou Navigation Satellite System: Risk Analysis and Countermeasures

open access: yes中国工程科学, 2023
After the BeiDou navigation satellite system (BDS) global services were formally commissioned, the large-scale applications of BDS have entered a new stage of marketization, industrialization, and internationalization.
Yang Jun
doaj   +1 more source

Review of code and phase biases in multi-GNSS positioning [PDF]

open access: yes, 2016
A review of the research conducted until present on the subject of Global Navigation Satellite System (GNSS) hardware-induced phase and code biases is here provided. Biases in GNSS positioning occur because of imperfections and/or physical limitations in
A Al-Shaery   +35 more
core   +1 more source

Centimeter-Level Precise Orbit Determination for the Luojia-1A Satellite Using BeiDou Observations

open access: yesRemote Sensing, 2020
Luojia-1A is a scientific experimental satellite operated by Wuhan University, which is the first low earth orbiter (LEO) navigation signal augmentation experimental satellite.
Lei Wang   +6 more
doaj   +1 more source

Multi-frequency and multi-GNSS PPP phase bias estimation and ambiguity resolution [PDF]

open access: yes, 2022
Multi-frequency and multi-GNSS measurements from modernized satellites are properly integrated for PPP with ambiguity resolution to achieve the state-of-the-art fast and accurate positioning, which provides an important contribution to GNSS precise ...
Xiao, Guorui
core   +2 more sources

SINS/BDS tightly coupled integrated navigation algorithm for hypersonic vehicle

open access: yesScientific Reports, 2022
A tightly coupled integrated navigation system (TCINS) for hypersonic vehicles is proposed when the satellite signals are disturbed. Firstly, the architecture of the integrated navigation system for the hypersonic vehicle is introduced.
Kai Chen   +3 more
doaj   +1 more source

A new approach for optimising GNSS positioning performance in harsh observation environments [PDF]

open access: yes, 2014
Maintaining good positioning performance has always been a challenging task for Global Navigation Satellite Systems (GNSS) applications in partially obstructed environments.
Alan Dodson   +10 more
core   +3 more sources

Pilot Evaluation of Integrating GLONASS, Galileo and BeiDou with GPS in Araim [PDF]

open access: yes, 2016
© 2016 Artificial Satellites. In this pilot study, availability of the Advanced Receiver Autonomous Integrity Monitoring (ARAIM) when integrating various combinations of satellite constellations including; Galileo, GLONASS and BeiDou with GPS is ...
El-Mowafy, Ahmed
core   +1 more source

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