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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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Satellite navigation systems applications, the main utilization limits for maritime users

TL;DR: The maritime user continually meets and will meet with numerous different limitations of SNS coverage in restricted area, SBAS and DGPS reference stations coverage area, the lack of integrity information about the systems, and of many charts referred to WGS–84 datum, with problem of position fix inrestricted area, etc.
Proceedings ArticleDOI

An Evaluation Methodology for VANET Applications Combining Simulation and Multi-sensor Experiments

TL;DR: The main goal is to determine whether position accuracy provided by GNSS is sufficient for cooperative ADAS, and it is found that pure GNSS input cannot fulfill position accuracy requirements in most test cases.
Book ChapterDOI

Comparative Study of Some Online GNSS Post-Processing Services at Selected Permanent GNSS Sites in Nigeria

TL;DR: This study evaluates the performance of some online GNSS facilities with emphasis on observation duration and demonstrates the robustness of the algorithms and processes employed by the different online facilities.
Proceedings ArticleDOI

Positioning accuracy analyses on GPS single point positioning determination with GAGAN correction services in Thailand

TL;DR: The performance of GAGAN could not provide a good service in any part of Thailand due to GAGans ionosphere correction is not suitable for Thailand, as shown in the positioning accuracy from GPS aided by G AGAN which is lower than the results obtained from GAGAn combined with Klobuchar model and GPS by applying ionosphere-free combination in some parts of Thailand.
Journal ArticleDOI

An Improved Relative GNSS Tracking Method Utilizing Single Frequency Receivers.

TL;DR: The novel method presented in this paper is based on the Relative GNSS Tracking Algorithm (Regtrack) and can be used as a more robust and accurate ambiguity free tracking approach for outdoor applications.