Results 11 to 20 of about 18,409 (254)
Implementation and Performance Analysis of Constellation Dynamic Selection in Multi-Constellation RAIM [PDF]
Micromachines, 2022 Global navigation satellite system (GNSS) plays a crucial role in many fields, such as aerospace and transportation. Integrity is the measure of trust used in GNSS positioning especially in safety-critical applications.
Qian Meng, Yuan Zhuang, Shengying Li
doaj +4 more sources
Enhanced GNSS Reliability on High-Dynamic Platforms: A Comparative Study of Multi-Frequency, Multi-Constellation Signals in Jamming Environments [PDF]
Sensors, 2023 The global navigation satellite system (GNSS) signals are vulnerable to disruption sources, such as signal jamming. This, in turn, can cause severe degradation or discontinuities of the GNSS-based position, navigation, and timing services.
Abdelsatar Elmezayen +3 more
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ISPRS International Journal of Geo-Information, 2017 Multi-constellation global navigation satellite systems (GNSSs) are expected to enhance the capability of precise point positioning (PPP) by improving the positioning accuracy and reducing the convergence time because more satellites will be available ...
Xidong Yu, Jingxiang Gao
doaj +3 more sources
Benefits of Multi-Constellation/Multi-Frequency GNSS in a Tightly Coupled GNSS/IMU/Odometry Integration Algorithm [PDF]
Sensors, 2018 Localization algorithms based on global navigation satellite systems (GNSS) play an important role in automotive positioning. Due to the advent of autonomously driving cars, their importance is expected to grow even further in the next years ...
Björn Reuper +2 more
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Multi-Constellation Software-Defined Receiver for Doppler Positioning with LEO Satellites. [PDF]
Sensors (Basel), 2020 A Multi-Constellation Software-Defined Receiver (MC-SDR) is designed and implemented to extract the Doppler measurements of Low Earth Orbit (LEO) satellite’s downlink signals, such as Orbcomm, Iridium-Next, Globalstar, Starlink, OneWeb, SpaceX, etc.
Farhangian F, Landry RJ.
europepmc +5 more sources
Welcome to the Global Navigation Multi-Constellation
Engineering, 2021 Peter Weiss
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ACCURACY EVALUATION OF MULTI-GNSS DOPPLER VELOCITY ESTIMATION USING ANDROID SMARTPHONES [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022 The number of smartphone users has increased dramatically as smartphones have become more widely available. The mass-market urgently requires the deployment of low-cost GNSS chips in smartphones to achieve continuous, high-precision velocity and location
Y. Li +6 more
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Reliability Measures in GNSS Multi-constellation Systems
EUROPEAN RESEARCH STUDIES JOURNAL, 2021 peer ...
Gucma, Maciej, Boc, Renata, Waz, Mariusz
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Engineering Proceedings, 2023 Present day GNSS offers a variety of signals from different satellite constellations and at various frequencies. This paper is based on the work conducted in the project SiL 2.0 and will focus on the study of multi-constellation/multi-frequency GNSS ...
Uttama Dutta, Jan Johansson
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Engineering Proceedings, 2023 Global navigation satellite systems (GNSSs) are an integral part of global positioning. However, because GNSS performance is impacted by signal obscuration and the presence of multipath in urban and deep urban environments, it is not accurate, reliable ...
Esther Anyaegbu, Paul Hansen, Bo Peng
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