Results 21 to 30 of about 195,439 (333)

An Improved Adaptive Kalman Filter for a Single Frequency GNSS/MEMS-IMU/Odometer Integrated Navigation Module

open access: yesRemote Sensing, 2021
Aiming at the GNSS receiver vulnerability in challenging urban environments and low power consumption of integrated navigation systems, an improved robust adaptive Kalman filter (IRAKF) algorithm with real-time performance and low computation complexity ...
Peihui Yan   +7 more
doaj   +1 more source

A Testbed for Developing and Evaluating GNSS Signal Authentication Techniques [PDF]

open access: yes, 2014
An experimental testbed has been created for developing and evaluating Global Navigation Satellite System (GNSS) signal authentication techniques.
Bhatti, Jahshan A.   +3 more
core   +1 more source

Helmert Variance Component Estimation for Multi-GNSS Relative Positioning [PDF]

open access: yes, 2020
The Multi-constellation Global Navigation Satellite System (Multi-GNSS) has become the standard implementation of high accuracy positioning and navigation applications.
Fang, Zhenlong   +5 more
core   +2 more sources

Factor graph optimization for GNSS/INS integration: A comparison with the extended Kalman filter

open access: yesNavigation, 2021
Factor graph optimization (FGO) recently has attracted attention as an alternative to the extended Kalman filter (EKF) for GNSS-INS integration.
W. Wen, T. Pfeifer, Xiwei Bai, L. Hsu
semanticscholar   +1 more source

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

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

A Survey on Low-Power GNSS

open access: yesIEEE Communications Surveys and Tutorials, 2023
With the miniaturization of electronics, receivers are getting more and more embedded into devices with harsh energy constraints. This process has led to new signal processing challenges due to the limited processing power on battery-operated devices and
Antoine Grenier   +3 more
semanticscholar   +1 more source

Low-Cost GNSS and PPP-RTK: Investigating the Capabilities of the u-blox ZED-F9P Module

open access: yesItalian National Conference on Sensors, 2023
GNSS has become ubiquitous in high-precision applications, although the cost of high-end GNSS receivers remains a major obstacle for many applications.
U. Robustelli   +2 more
semanticscholar   +1 more source

Wind direction signatures in GNSS-R observables from space [PDF]

open access: yes, 2018
Peer ReviewedPostprint (published ...
Camps Carmona, Adriano José   +6 more
core   +2 more sources

GNSS smartphones positioning: advances, challenges, opportunities, and future perspectives

open access: yesSatellite Navigation, 2021
Starting from 2016, the raw Global Navigation Satellite System (GNSS) measurements can be extracted from the Android Nougat (or later) operating systems. Since then, GNSS smartphone positioning has been given much attention.
F. Zangenehnejad, Yang Gao
semanticscholar   +1 more source

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