Journal ArticleDOI
The Multi-GNSS Experiment (MGEX) of the International GNSS Service (IGS) - Achievements, prospects and challenges
Oliver Montenbruck,Peter Steigenberger,Lars Prange,Zhiguo Deng,Qile Zhao,Felix Perosanz,Ignacio Romero,Carey Noll,Andrea Stürze,Georg Weber,Ralf Schmid,Ken MacLeod,Stefan Schaer +12 more
TLDR
The status and tracking capabilities of the IGS monitoring station network are presented and the multi-GNSS products derived from this resource are discussed and the achieved performance is assessed and related to the current level of space segment and user equipment characterization.About:
This article is published in Advances in Space Research.The article was published on 2017-04-01. It has received 645 citations till now. The article focuses on the topics: GNSS applications & Galileo (satellite navigation).read more
Citations
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The Global Positioning System
TL;DR: This research study explores the Global Positioning System (GPS), its history, and the process of discovery needed to create the most accurate GPS possible, as well as the contemporary applications of GPS technology.
Journal ArticleDOI
Multi-GNSS phase delay estimation and PPP ambiguity resolution: GPS, BDS, GLONASS, Galileo
TL;DR: In this article, a GCRE four-system uncalibrated phase delay (UPD) estimation model and multi-GNSS undifferenced PPP AR method were developed in order to utilize the observations from all systems.
Journal ArticleDOI
GipsyX/RTGx, a new tool set for space geodetic operations and research
Willy Bertiger,Yoaz Bar-Sever,Angie Dorsey,Bruce J. Haines,Nate Harvey,Dan Hemberger,Michael Heflin,Wenwen Lu,Mark Miller,Angelyn Moore,Dave Murphy,Paul Ries,Larry Romans,Aurore Sibois,Ant Sibthorpe,Béla Szilágyi,Michele Vallisneri,Pascal Willis +17 more
TL;DR: GipsyX/RTGx as discussed by the authors is a next generation software package for positioning, navigation, timing, and Earth science using measurements from three geodetic techniques: Global Navigation Satellite Systems (GNSS), Satellite Laser Ranging (SLR), and Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS); with Very Long Baseline Interferometry (VLBI) under development.
Journal ArticleDOI
Quality assessment of multi-GNSS orbits and clocks for real-time precise point positioning
TL;DR: A comprehensive evaluation of the availability and the quality of multi-GNSS real-time orbit and clock products is provided through the comparison to the final Center for Orbit Determination in Europe (CODE) orbits, fitting long continuous orbital arcs, as well as the assessment of clock stability using modified Allan deviation diagrams.
Journal ArticleDOI
Multi-GNSS signal-in-space range error assessment – Methodology and results
TL;DR: The present study reviews the fundamental concepts and underlying assumptions of signal-in-space range error (SISRE) analyses and presents a harmonized framework for multi-GNSS performance monitoring based on the comparison of broadcast and precise ephemerides to contribute to a better understanding and harmonization of multi- GNSS SISRE analyses and their use as key performance indicators for the various constellations.
References
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Journal ArticleDOI
Ambiguity resolution for triple-frequency geometry-free and ionosphere-free combination tested with real data
Kan Wang,Markus Rothacher +1 more
TL;DR: A general method using the ambiguity-corrected phase observations without any constraints to search for the optimal GF and IF linear combination and analytically demonstrates that the noise level of this third linear combination only depends on the three frequencies.
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Modernization milestone: BeiDou M2-S initial signal analysis
TL;DR: The signal quality and performance of this new-generation BDS satellite are described and analyzed; a backward compatibility with older-generation satellite signals is shown.
Journal ArticleDOI
Estimating the yaw-attitude of BDS IGSO and MEO satellites
Xiaolei Dai,Xiaolei Dai,Maorong Ge,Yidong Lou,Chuang Shi,Jens Wickert,Harald Schuh,Harald Schuh +7 more
TL;DR: A modified processing schema is proposed for studying the attitude behavior of the BeiDou Satellite Navigation System (BDS) satellites and the observations of the satellites during and after attitude switch are excluded in the POD processing, so that the estimates are not contaminated by the inaccurate initial attitude mode.
Journal ArticleDOI
Combined radiation pressure and thermal modelling of complex satellites: Algorithms and on-orbit tests
TL;DR: In this paper, the authors developed a suite of software utilities that model analytically three of the main effects: solar radiation pressure, thermal forces and the albedo/earthshine effects.
Combined radiation pressure and thermal modelling of complex satellites: algorithms and on-orbit tests
TL;DR: In this article, the authors developed a suite of software utilities that model analytically three of the main effects: solar radiation pressure, thermal forces and the albedo/earthshine effects.
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