Results 61 to 70 of about 194 (149)

Performance Evaluation and Application Field Analysis of Precise Point Positioning Based on Different Real-Time Augmentation Information

open access: yesRemote Sensing
The most commonly used real-time augmentation services in China are the International GNSS Service’s (IGS) real-time service (RTS), PPP-B2b service, and Double-Frequency Multi-Constellation (DFMC) service of the BeiDou Satellite-Based Augmentation System
Mengjun Wu   +4 more
doaj   +1 more source

GKit-SSRDecoder: An Open-Source C/C++-Based PPP-B2b and HAS Decoding and Formatted Product Generation Software

open access: yesIEEE Access
With the rapid development of Real-Time Precise Point Positioning (RT-PPP), the BeiDou-3 PPP-B2b and Galileo High Accuracy Service (HAS) have become pivotal for providing free, global, satellite-based precise correction services.
Zhiyuan Wu   +8 more
doaj   +1 more source

Assessment of PPP Using BDS PPP-B2b Products with Short-Time-Span Observations and Backward Smoothing Method

open access: yesRemote Sensing
The BeiDou Navigation Satellite System (BDS) offers orbit and clock corrections through the B2b signal, enabling Precise Point Positioning (PPP) without relying on ground communication networks.
Lewen Zhao, Wei Zhai
doaj   +1 more source

Analyzing the Precise Point Positioning Performance of Different Dual-Frequency Ionospheric-Free Combinations with BDS-3 and Galileo

open access: yesAtmosphere
The BeiDou global navigation satellite system (BDS-3) and Galileo systems both broadcast satellite signals on five frequencies, which can form many observation combinations with dual-frequency ionospheric-free (DFIF) precise point positioning (PPP). This
Xingli Sun, Zhan Shu, Jinjie Yao
doaj   +1 more source

BDS-PPP-B2b-Based Smartphone Precise Positioning Model Enhanced by Mixed-Frequency Data and Hybrid Weight Function

open access: yesApplied 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   +3 more
doaj   +1 more source

Consistent Fusion of MADOCA-PPP and PPP-B2b SSR Corrections for Robust Real-Time PPP

open access: yesRemote Sensing
Real-time precise point positioning (PPP) is increasingly supported by open satellite-broadcast state-space representation (SSR) services, yet standalone operation with a single service remains vulnerable to limited constellation support, correction ...
Ruite Yi   +5 more
doaj   +1 more source

Performance of PPP and PPP-RTK with new-generation GNSS constellations and signals

open access: yesSatellite Navigation
The expansion of Global Navigation Satellite Systems (GNSS) and Regional Navigation Satellite Systems (RNSS), along with broadcasting of additional signals, offers more options for Precise Point Positioning (PPP). Utilizing a number of constellations and
Xiaohong Zhang   +6 more
doaj   +1 more source

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