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GNSS -- global navigation satellite systems : GPS, GLONASS, Galileo, and more

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TLDR
The next generation of positioning models for positioning and data processing will depend on the design of the satellite itself, as well as on the satellite orbits it is placed in.
Abstract
Reference systems.- Satellite orbits.- Satellite signals.- Observables.- Mathematical models for positioning.- Data processing.- Data transformation.- GPS.- Glonass.- Galileo.- More on GNSS.- Applications.- Conclusion and outlook.

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Journal ArticleDOI

Fusion of GNSS Pseudoranges with UWB Ranges Based on Clustering and Weighted Least Squares

TL;DR: In this article , a GNSS/UWB fusion method is investigated in GNSS-challenged environments or for the transition between outdoor and indoor environments, where GNSS stop-and-go measurements are carried out simultaneously to UWB range observations within the network of grid points used for testing.
Journal ArticleDOI

Estimation of coordinates accuracy determination by eft m3 gnss and eft m4 gnss satellite receivers in rtk mode

TL;DR: In RTK mode, modern GNSS receivers EFT M3 GNSS and E FT M4 GNSS can achieve a centimeter level of accuracy in determining the spatial coordinates of points and the errors of the tested receivers inRTK mode are comparable.
Proceedings ArticleDOI

A study on point positioning method considering residual ranging error

TL;DR: A new exact point positioning method is proposed by considering the mean value of the residual ranging error for GNSS (Global Navigation Satellite Systems) systems by using practical measurement at the GPS-based control station by comparing with the conventional one.
Journal ArticleDOI

GNSS Receivers, Theirs Features, User Environment And Applications

TL;DR: The review of the performance parameters of GNSS receivers accessible in 2014 and last three years is presented and the reply to some important questions is given.
Journal ArticleDOI

On the evaluation of gnss complementary by using quasizenith satellite of japan

TL;DR: In this article, a comparison of the positioning between GPS and QZSS is made. But, the comparison is limited to the GPS and GLONASS and not to the QZS, which has six signals by using four kinds of frequency.