Results 11 to 20 of about 18,049 (264)

Investigating Performance of BDS-2+3 Dual-Frequency Absolute Positioning With Broadcast Ephemerides, RTS and Final MGEX Products

open access: yesIEEE Access, 2023
BDS-3 was formally put into service on July 31, 2020, and now along with BDS-2 provides the positioning, navigation and timing services. In this contribution, different techniques of dual-frequency absolute positioning using the fully serviceable BDS-2 ...
Shengnan Liu, Shaolin Zhu, Jian Zhang
doaj   +1 more source

Performance Analysis of BDS-3 FCB Estimated by Reference Station Networks over a Long Time

open access: yesMathematics, 2022
The stability and validity of the BDS-3 precise point positioning ambiguity solution (PPP-AR) is becoming more and more important along with the development of BDS-3 orbit and clock products over long durations.
Ke Qi   +3 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

open access: yesRemote 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   +5 more
doaj   +1 more source

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

open access: yesSensors, 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   +4 more
doaj   +1 more source

Precise Orbit Determination of BDS-2 and BDS-3 Using SLR

open access: yesRemote Sensing, 2019
The BeiDou Navigation Satellite System (BDS) of China is currently in the hybrid-use period of BDS-2 and BDS-3 satellites. All of them are equipped with Laser Retroreflect Arrays (LRAs) for Satellite Laser Ranging (SLR), which can directly obtain an ...
Honglei Yang   +4 more
doaj   +1 more source

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

open access: yesRemote 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   +5 more
doaj   +1 more source

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

open access: yesRemote 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   +5 more
doaj   +1 more source

Performance of Multi-GNSS in the Asia-Pacific Region: Signal Quality, Broadcast Ephemeris and Precise Point Positioning (PPP)

open access: yesRemote Sensing, 2022
Since BeiDou Navigation Satellite System (BDS) and Japan’s Quasi-Zenith Satellite System (QZSS) have more visible satellites in the Asia-Pacific region, and navigation satellites of Global Positioning System (GPS), Galileo satellite navigation system ...
Mengyuan Li   +4 more
doaj   +1 more source

Improving GNSS/INS Tightly Coupled Positioning by Using BDS-3 Four-Frequency Observations in Urban Environments

open access: yesRemote Sensing, 2022
Vehicular positioning in urban environments has become a research hotspot in recent years, and global navigation satellite system/inertial navigation system (GNSS/INS) tightly coupled positioning is a commonly used method. With the broadcast of BDS-3 and
Chun Ma   +5 more
doaj   +1 more source

Comprehensive Assessment of BDS-2 and BDS-3 Precise Orbits Based on B1I/B3I and B1C/B2a Frequencies from iGMAS

open access: yesRemote Sensing, 2023
The BeiDou Global Navigation Satellite System (BDS), including the second generation (BDS-2) and the third generation (BDS-3), has been widely used in areas of positioning, navigation, and timing (PNT). One of the essential prerequisites for accurate PNT
Zhetao Zhang   +4 more
doaj   +1 more source

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