State estimation methods in navigation: Overview and application

J Duník, SK Biswas, AG Dempster… - IEEE Aerospace and …, 2020 - ieeexplore.ieee.org
This article deals with state estimation of nonlinear stochastic dynamic systems. The stress is
laid on general introduction of the selected estimation methods, description of their …

Robust variational-based Kalman filter for outlier rejection with correlated measurements

H Li, D Medina, J Vilà-Valls… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
State estimation is a fundamental task in many engineering fields, and therefore robust
nonlinear filtering techniques able to cope with misspecified, uncertain and/or corrupted …

Robust filtering techniques for RTK positioning in harsh propagation environments

D Medina, H Li, J Vilà-Valls, P Closas - Sensors, 2021 - mdpi.com
Global navigation satellite systems (GNSSs) play a key role in intelligent transportation
systems such as autonomous driving or unmanned systems navigation. In such applications …

[PDF][PDF] State estimation methods: Overview and application in navigation

J Dunık, SK Biswas, AG Dempster, T Pany, P Closas - 2020 - researchgate.net
The state of a system is a variable which fully characterises the status of the system at a
given time. Knowledge of the state is, thus, essential for control or prediction of the system's …

Robust statistics for GNSS positioning under harsh conditions: A useful tool?

D Medina, H Li, J Vilà-Valls, P Closas - Sensors, 2019 - mdpi.com
Navigation problems are generally solved applying least-squares (LS) adjustments.
Techniques based on LS can be shown to perform optimally when the system noise is …

On the recursive joint position and attitude determination in multi-antenna GNSS platforms

D Medina, J Vilà-Valls, A Hesselbarth, R Ziebold… - Remote Sensing, 2020 - mdpi.com
Global Navigation Satellite Systems'(GNSS) carrier phase observations are fundamental in
the provision of precise navigation for modern applications in intelligent transport systems …

[HTML][HTML] An Improved Low-Cost Dual-Antenna GNSS Dynamic Attitude Determination Method in Complex Environments

K Xu, J Tao, X Lei, J Zhang, C Liu, L Chen - Remote Sensing, 2024 - mdpi.com
GNSS attitude determination has been widely adopted due to its high efficiency, absence of
cumulative errors, and ease of installation. However, practical navigation and attitude …

Positioning performance limits of GNSS meta-signals and HO-BOC signals

L Ortega, D Medina, J Vilà-Valls, F Vincent… - Sensors, 2020 - mdpi.com
Global Navigation Satellite Systems (GNSS) are the main source of position, navigation, and
timing (PNT) information and will be a key player in the next-generation intelligent …

Performance Assessment of GNSS RTK Positioning in Urban Environments: Outlier Detection versus 3DMA-FDE

F Ruwisch, S Schön - Proceedings of the 35th International Technical …, 2022 - ion.org
Urban navigation applications, eg, autonomous driving, require high quality in terms of
accuracy and integrity. The Global Navigation Satellite System (GNSS) sensor is the only …

Outlier-robust Kalman filter in the presence of correlated measurements

H Wang, Y Liu, W Zhang, J Zuo - Signal Processing, 2022 - Elsevier
We consider the robust filtering problem for a state-space model with outliers in correlated
measurements. We propose a new robust filtering framework to further improve the …