A review on multi-GNSS for earth observation and emerging applications

S Jin, Q Wang, G Dardanelli - Remote Sensing, 2022 - mdpi.com
Global Navigation Satellite System (GNSS) has drawn the attention of scientists and users
all over the world for its wide-ranging Earth observations and applications. Since the end of …

Determination of differential code biases with multi-GNSS observations

N Wang, Y Yuan, Z Li, O Montenbruck, B Tan - Journal of Geodesy, 2016 - Springer
In order to better understand the differential code biases (DCBs) of global navigation
satellite system, the IGGDCB method is extended to estimate the intra-and inter-frequency …

Differential code bias estimation using multi‐GNSS observations and global ionosphere maps

O Montenbruck, A Hauschild… - … : Journal of the Institute …, 2014 - Wiley Online Library
ABSTRACT Measurements of Global Navigation Satellite System (GNSS) receivers are
affected by systematic offsets related to group and phase delays of the signal generation …

Long short‐term memory neural network for ionospheric total electron content forecasting over China

P Xiong, D Zhai, C Long, H Zhou, X Zhang… - Space …, 2021 - Wiley Online Library
An increasing number of terrestrial‐and space‐based radio‐communication systems are
influenced by the ionospheric space weather, making the ionospheric state increasingly …

The BeiDou global broadcast ionospheric delay correction model (BDGIM) and its preliminary performance evaluation results

Y Yuan, N Wang, Z Li, X Huo - Navigation, 2019 - Wiley Online Library
A global ionospheric delay correction model (BeiDou global broadcast ionospheric delay
correction model [BDGIM]) is proposed for the single‐frequency ionospheric delay correction …

SHPTS: towards a new method for generating precise global ionospheric TEC map based on spherical harmonic and generalized trigonometric series functions

Z Li, Y Yuan, N Wang, M Hernandez-Pajares, X Huo - Journal of Geodesy, 2015 - Springer
To take maximum advantage of the increasing Global Navigation Satellite Systems (GNSS)
data to improve the accuracy and resolution of global ionospheric TEC map (GIM), an …

[HTML][HTML] GNSS 空间环境学研究进展和展望

姚宜斌, 张顺, 孔建 - 2017 - html.rhhz.net
对流层和电离层是地球近地空间环境中两个重要的组成部分, 是靠近地球表面且与人类生活联系
最密切的大气圈层. 全球导航卫星系统技术的快速发展, 为GNSS 空间环境学的研究提供了良好 …

Multi-GNSS precise point positioning (MGPPP) using raw observations

T Liu, Y Yuan, B Zhang, N Wang, B Tan, Y Chen - Journal of geodesy, 2017 - Springer
A joint-processing model for multi-GNSS (GPS, GLONASS, BDS and GALILEO) precise
point positioning (PPP) is proposed, in which raw code and phase observations are used. In …

[HTML][HTML] 近年来我国GNSS 电离层延迟精确建模及修正研究进展

袁运斌, 霍星亮, 张宝成 - 2017 - html.rhhz.net
空间电离层是影响全球卫星导航系统(GNSS) 应用服务性能最棘手的误差源之一. 近几十年来,
随着地基/空基GNSS 数据的日益丰富, 国内外学者发展并提出了多种重要技术措施修正 …

Research progress of precise models and correction for GNSS ionospheric delay in China over recent years

Y Yunbin, HUO Xingliang… - Acta geodaetica et …, 2017 - xb.chinasmp.com
The ionosphere effects account for one of the most challenging error sources that can
severely affect the performance of Global Navigation Satellite System (GNSS) applications …