Retrieving Precipitable Water Vapor From Shipborne Multi‐GNSS Observations [PDF]
, 2019 ©2019. American Geophysical UnionPrecipitable water vapor (PWV) is an important parameter for climate research and a crucial factor to achieve high accuracy in satellite geodesy and satellite altimetry. Currently Global Navigation Satellite System (GNSS)
Ge, Maorong +8 more
core +1 more source
Towards Robust GNSS Positioning and Real-time Kinematic Using Factor Graph Optimization [PDF]
, 2021 Global navigation satellite systems (GNSS) are one of the utterly popular sources for providing globally referenced positioning for autonomous systems. However, the performance of the GNSS positioning is significantly challenged in urban canyons, due to the signal reflection and blockage from buildings.
arxiv +1 more source
Equivariant filtering framework for inertial-integrated navigation
Satellite Navigation, 2021 This paper proposes an Equivariant Filtering (EqF) framework for the inertial-integrated state estimation. As the kinematic system of the inertial-integrated navigation can be naturally modeled on the matrix Lie group SE 2(3), the symmetry of the Lie ...
Yarong Luo, Chi Guo, Jingnan Liu
doaj +1 more source
Tropospheric Second-Order Horizontal Gradient Modeling for GNSS PPP
Remote Sensing, 2022 The asymmetric delay has a considerable impact on Global Navigation Satellite Systems (GNSS) Positioning, Navigation and Timing (PNT) applications. In GNSS analyses, the impacts of the asymmetric delay are commonly compensated by using the classical ...
Yaozong Zhou +5 more
doaj +1 more source
Recurrent Neural Networks Applied to GNSS Time Series for Denoising and Prediction [PDF]
, 2019 Global Navigation Satellite Systems (GNSS) are systems that continuously acquire data and provide position time series. Many monitoring applications are based on GNSS data and their efficiency depends on the capability in the time series analysis to ...
Cascarano, Pasquale +5 more
core +1 more source
Assessing IGS GPS/Galileo/BDS-2/BDS-3 phase bias products with PRIDE PPP-AR
Satellite Navigation, 2021 Ambiguity Resolution in Precise Point Positioning (PPP-AR) is important to achieving high-precision positioning in wide areas. The International GNSS (Global Navigation Satellite System) Service (IGS) and some other academic organizations have begun to ...
Jianghui Geng, Songfeng Yang, Jiang Guo
doaj +1 more source
A new multipath mitigation method for GNSS receivers based on antenna array [PDF]
, 2012 the potential of small antenna array for multipath mitigation in GNSS systems is considered in this paper. To discriminate the different incoming signals (Line of sight and multipaths), a new implementation of the well known SAGE algorithm is proposed ...
Carrie, Guillaume +4 more
core +3 more sources
A Sub-Regional Extraction Method of Common Mode Components from IGS and CMONOC Stations in China
Remote Sensing, 2019 There is always a need to extract more accurate regional common mode component (CMC) series from coordinate time series of Global Positioning System (GPS) stations, which would be of great benefit to describe the deformation features of the Earth’s
Shuguang Wu +8 more
doaj +1 more source
The GPS Assimilator: a Method for Upgrading Existing GPS User Equipment to Improve Accuracy, Robustness, and Resistance to Spoofing [PDF]
, 2010 Preprint of the 2010 ION GNSS Conference Portland, OR, September 21–24, 2010A conceptual method is presented for upgrading existing GPS user equipment, without requiring hardware or software modifications to the equipment, to improve the equipment’s ...
Bhatti, Jahshan +2 more
core +2 more sources
Characterization of GNSS Signals Tracked by the iGMAS Network Considering Recent BDS-3 Satellites
Remote Sensing, 2018 The international GNSS monitoring and assessment system (iGMAS) tracking network has been established by China to track multi-GNSS satellites. A key feature of iGMAS stations is the capability to fully track new navigation signals from the recently ...
Xin Xie +5 more
doaj +1 more source