Results 41 to 50 of about 11,602,791 (361)

Smartphone GNSS Performance in an Urban Scenario with RAIM Application [PDF]

open access: yesSensors, 2022
In an urban scenario, GNSS performance is strongly influenced by gross errors in the measurements, usually related to multipath and non-line-of-sight phenomena. The use of RAIM algorithms is a common approach to solve this issue. A significant amount of the existing GNSS receivers is currently mounted on smart devices, above all, smartphones. A typical
Angrisano A., Gaglione S.
openaire   +4 more sources

SNR degradation in GNSS-R measurements under the effects of radio-frequency interference [PDF]

open access: yes, 2016
©2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new ...
Alonso Arroyo, Alberto   +5 more
core   +2 more sources

IMPACT OF GNSS SIGNAL OUTAGE ON EOPS USING FORWARD KALMAN FILTER AND SMOOTHING ALGORITHM [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
The global navigation satellite system (GNSS) has been playing the principal role in positioning applications in past decades. Position robustness degrades with a standalone receiver due to GNSS signal outage in mobile mapping systems.
A. Jouybari   +4 more
doaj   +1 more source

Variation of Precipitable Water Vapor derived from GNSS CORS Observations in Thailand [PDF]

open access: yesE3S Web of Conferences, 2019
This research aims to study a distance variation of Precipitable Water Vapor (PWV) between CORS stations in Thailand using a Precise Point Positioning (PPP) technique.
Meunram Paramee, Satirapod Chalermchon
doaj   +1 more source

GNSS Interference Monitoring and Detection (GIMAD) System

open access: yesEngineering Proceedings, 2023
In the last few years, gradually more systems have relied on the Global Navigation Satellite System (GNSS) for their correct functioning. These systems include safety-critical applications such as airports or emergency services.
Enric Obiols-Bernaus   +5 more
doaj   +1 more source

Can GNSS reflectometry detect precipitation over oceans? [PDF]

open access: yes, 2018
For the first time, a rain signature in Global Navigation Satellite System Reflectometry (GNSS‐R) observations is demonstrated. Based on the argument that the forward quasi‐specular scattering relies upon surface gravity waves with lengths larger than ...
Asgarimehr, Milad   +3 more
core   +1 more source

Special Issue on GNSS Data Processing and Navigation

open access: yesSensors, 2020
Global Navigation Satellite System (GNSS) data can be used in a myriad of ways. The current number of applications exceed by far those originally GNSS was designed for.
Adria Rovira-Garcia   +1 more
doaj   +1 more source

Addressing the Potential of L5/E5a Signals for Road ITS Applications in GNSS-Harsh Environments

open access: yesEngineering Proceedings, 2023
This study explores the potential of satellite signals L5, E5a and B2a tracked by contemporary Android smartphones. Particularly, the objective is to investigate their performance capabilities and vulnerabilities concerned with L1, E1 and B1 bandwidths ...
Amarildo Haxhi   +3 more
doaj   +1 more source

sUAS Swarm Navigation using Inertial, Range Radios and Partial GNSS [PDF]

open access: yes, 2019
Small Unmanned Aerial Systems (sUAS) operations are increasing in demand and complexity. Using multiple cooperative sUAS (i.e. a swarm) can be beneficial and is sometimes necessary to perform certain tasks (e.g., precision agriculture, mapping ...
Huff, Joel   +2 more
core   +1 more source

Implicit Cooperative Positioning in Vehicular Networks [PDF]

open access: yes, 2017
Absolute positioning of vehicles is based on Global Navigation Satellite Systems (GNSS) combined with on-board sensors and high-resolution maps. In Cooperative Intelligent Transportation Systems (C-ITS), the positioning performance can be augmented by ...
Denis, Benoit   +5 more
core   +2 more sources

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