Results 21 to 30 of about 269 (137)

Signal‐in‐Space and Positioning Performance of BDS Open Augmentation Service

open access: yesMathematical Problems in Engineering, Volume 2022, Issue 1, 2022., 2022
As a typical augmentation satellite system for centimeter‐level positioning, PPP (Precise Point Positioning) service based on PPP‐B2b signal of China’s new generation BeiDou system (BDS‐3) was released for Asia‐Pacific area on July, 2020. This paper first introduces the recovery theory of PPP‐B2b SSR (State Space Representation) messages and then ...
Liang Chen   +5 more
wiley   +1 more source

Evaluation of BDS-3 B1C/B2b Single/Dual-Frequency PPP Using PPP-B2b and RTS SSR Products in Both Static and Dynamic Applications

open access: yesRemote Sensing, 2022
The BeiDou Global Navigation Satellite System (BDS-3) can provide PPP-B2b satellite-based Precise Point Positioning (PPP) real-time service to the Asia–Pacific region via PPP-B2b signal transmitted from the three Geostationary Earth Orbit (GEO ...
Ruohua Lan   +5 more
doaj   +1 more source

Principle and performance of BDSBAS and PPP-B2b of BDS-3

open access: yesSatellite Navigation, 2022
Within the framework of differential augmentation, this paper introduces the basic technical framework and performance of the BeiDou Global Navigation Satellite System (BDS-3) Satellite-Based Augmentation System (BDSBAS), including orbit products ...
Yuanxi Yang   +5 more
doaj   +1 more source

PPP/PPP‐RTK open formats: Overview, comparison, and proposal for an interoperable message

open access: yesNAVIGATION, Volume 68, Issue 4, Page 759-778, Winter 2021., 2021
Abstract This paper presents and reviews the main existing open specifications for PPP/PPP‐RTK services, including satellite navigation providers (QZSS, Galileo, BeiDou, GLONASS) and other industrial or scientific initiatives (RTCM, SAPCORDA, 3GPP, IGS).
Rui Hirokawa   +2 more
wiley   +1 more source

Contributions to multi-purpose GNSS positioning to support multi-frequency and multi-constellation with high accuracy and integrity [PDF]

open access: yes, 2023
(English) Global Navigation Satellite System (GNSS) have revolutionized location and timing technologies due to their low cost and wide availability.
Ibáñez Segura, Deimos
core   +1 more source

Performance Assessment of BDS-3 PPP-B2b/INS Loosely Coupled Integration

open access: yesRemote Sensing, 2022
The BeiDou global navigation satellite system (BDS-3) has been officially providing a real-time precise point positioning (PPP) augmentation service, known as the PPP-B2b service, since 2020.
Xiaofei Xu   +4 more
doaj   +1 more source

Using Galileo and BDS‐3 Quad‐Frequency Signals for Long‐Baseline Instantaneous Decimeter‐Level Positioning

open access: yesMathematical Problems in Engineering, Volume 2021, Issue 1, 2021., 2021
As the signals of Galileo and the global BDS‐3 navigation satellite system have been accessible, positioning users can use quad‐frequency even five‐frequency signals nowadays. With multifrequency signals, one can form some useful combinations to improve the positioning performance, e.g., the widely used extra‐wide‐lane (EWL)/wide‐lane (WL) in triple ...
Wang Gao   +4 more
wiley   +1 more source

Integrity Monitoring of PPP-RTK Positioning; Part II: LEO Augmentation [PDF]

open access: yes, 2022
Low Earth orbit (LEO) satellites benefit future ground-based positioning with their high number, strong signal strength and high speed. The rapid geometry change with the LEO augmentation offers acceleration of the convergence of the precision point ...
El-Mowafy, Ahmed   +4 more
core   +1 more source

Correction Model of BDS‐3 Satellite Pseudorange Multipath Delays and Its Impact on Single‐Frequency Precise Point Positioning

open access: yesMathematical Problems in Engineering, Volume 2021, Issue 1, 2021., 2021
Precise point positioning (PPP) is used in many fields. However, pseudorange multipath delay is an important error that restricts its accuracy. Pseudorange multipath delay can be considered as the combination of effective information and observation noise; it can be modeled after removing the observation noise.
Zhongchen Guo   +5 more
wiley   +1 more source

BeiDou-3 orbit and clock quality of the IGS Multi-GNSS Pilot Project

open access: yes, 2022
Within the Multi-GNSS Pilot Project (MGEX) of the International GNSS Service (IGS), precise orbit and clock products for the BeiDou-3 global navigation satellite system (BDS-3) are routinely generated by a total of five analysis centers.
Deng, Zhiguo   +5 more
core   +1 more source

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