Results 21 to 30 of about 6,907,062 (191)

GNSS performance modelling for high interrity aircraft applications [PDF]

open access: yes, 2012
Till recently, no significant attempts have been made of developing Aircraft Based Augmentation System (ABAS) architectures capable of generating integrity signals suitable for safety-critical GNSS applications and no commercial ABAS products are ...
Shao, Liang
core   +5 more sources

An Improved Adaptive Simulated Annealing Particle Swarm Optimization Algorithm for ARAIM Availability

open access: yesJournal of Advanced Transportation, 2023
Civil aviation transportation equipment is more convenient and faster than other transportation tools and is an essential part of intelligent transportation. It is significant to study the reliability of positioning information and enhance traffic safety.
Ershen Wang   +6 more
doaj   +1 more source

Performance Analyses of a RAIM Algorithm for Kalman Filter with GPS and NavIC Constellations

open access: yesSensors, 2021
This paper evaluates the performance of an integrity monitoring algorithm of global navigation satellite systems (GNSS) for the Kalman filter (KF), termed KF receiver autonomous integrity monitoring (RAIM).
Susmita Bhattacharyya
doaj   +1 more source

MHSS ARAIM Algorithm Combined with Gross Error Detection [PDF]

open access: yesJournal of Geodesy and Geoinformation Science, 2020
Due to some shortcomings in the current multiple hypothesis solution separation advanced receiver autonomous integrity monitoring (MHSS ARAIM) algorithm, such as the weaker robustness, a number of computational subsets with the larger computational load,
Yabin ZHANG,Li WANG,Lihong FAN,Xuanyu QU
doaj   +1 more source

Performance of a novel Receiver Autonomous Integrity Monitoring procedure consistent with IMO requirements [PDF]

open access: yes, 2015
Although integrity concepts for Global Navigation Satellite Systems (GNSS) are ubiquitous in the aviation community, integrity algorithms of comparable maturity have not yet been developed for maritime users. The International Maritime Organization (IMO)
Heck, B., Mink, M.
core   +1 more source

Implementation and Performance Analysis of Constellation Dynamic Selection in Multi-Constellation RAIM

open access: yesMicromachines, 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   +1 more source

PRELIMINARY ANALYSES OF BEIDOU SIGNAL-IN-SPACE ANOMALY SINCE 2013 [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
As BeiDou navigation system has been operational since December 2012. There is an increasing desire to use multiple constellation to improve positioning performance. The signal-in-space (SIS) anomaly caused by the ground control and the space vehicle is
Y. Wu, J. Ren, W. Liu, W. Liu
doaj   +1 more source

Position-Domain Non-Gaussian Error Overbounding for ARAIM

open access: yesRemote Sensing, 2020
The non-Gaussian observation error is a threat for advanced receiver autonomous integrity monitoring (ARAIM), because the protection level of ARAIM based on the Gaussian distribution assumption is insufficient to envelope the positioning error (PE), and ...
Lin Zhao   +4 more
doaj   +1 more source

A Subset-Reduced Method for FDE ARAIM of Tightly-Coupled GNSS/INS

open access: yesSensors, 2019
The advanced receiver autonomous integrity monitoring (advanced RAIM, ARAIM) is the next generation of RAIM which is widely used in civil aviation. However, the current ARAIM needs to evaluate hundreds of subsets, which results in huge computational ...
Weichuan Pan   +3 more
doaj   +1 more source

Latest GNSS signal in space developments – GPS, QZSS & the new Beidou 3 under examination [PDF]

open access: yesE3S Web of Conferences, 2019
Nowadays one can use four global navigation satellite systems (GNSS). Two of them are complete constellations (GPS, Glonass) and two (Beidou, Galileo) are already usable and will be finish in the near future.
Thoelert Steffen
doaj   +1 more source

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