A baseband MLE for snapshot GNSS receiver using super-long-coherent correlation in a fractional Fourier domain

Y Luo, LT Hsu, N El-Sheimy - NAVIGATION: Journal of the Institute of …, 2023 - navi.ion.org
Low-cost global navigation satellite system and global positioning system (GPS) receivers
require reliable baseband processing to guarantee accurate positioning. However, classic …

Reconstructing GNSS meta-signal observations using sideband measurements

D Borio, C Gioia - NAVIGATION: Journal of the Institute of Navigation, 2023 - navi.ion.org
Global navigation satellite systems (GNSSs) provide several signals on different
frequencies: Two or more components can be processed jointly as a meta-signal. Despite …

Multi-parameter adaptive notch filter (MPANF) for enhanced interference mitigation

JR van der Merwe, I Cortés, F Garzia… - … : Journal of the Institute …, 2023 - navi.ion.org
Interference signals degrade global navigation satellite system (GNSS) performance and
must be mitigated. Chirp signals can be mitigated with an adaptive notch filter (ANF), but the …

Set-valued shadow matching using zonotopes for 3D-map-aided GNSS localization

S Bhamidipati, S Kousik, G Gao - … : Journal of the Institute of Navigation, 2022 - navi.ion.org
Unlike many urban localization methods that return point-valued estimates, a set-valued
representation enables robustness by ensuring that a continuum of possible positions obeys …

Multi-Epoch Kriging-Based 3D Mapping-Aided GNSS and Doppler Measurement Fusion using Factor Graph Optimization

HF Ng, LT Hsu, G Zhang - NAVIGATION: Journal of the Institute of …, 2023 - navi.ion.org
Global navigation satellite system (GNSS) signal reflection over buildings degrades
positioning performance in urban canyons. Different three-dimensional (3D) mapping-aided …

Optimized position estimation in mobile multipath environments using machine learning

NI Ziedan - NAVIGATION: Journal of the Institute of Navigation, 2023 - navi.ion.org
The positioning accuracy of global navigation satellite system receivers is frequently
degraded in urban areas due to reflected signals. A moving receiver faces additional …

Real-Time Precise Point Positioning Method Considering Broadcast Ephemeris Discontinuities

Q Cheng, J Chen, Y Zhang, C Yu - … : Journal of the Institute of Navigation, 2024 - navi.ion.org
With advancements in the broadcast ephemeris accuracy of global navigation satellite
systems (GNSSs), precise point positioning based on broadcast ephemeris (BE-PPP) is …

Measurement Error Detection for Stereo Visual Odometry Integrity

Y Fu, S Wang, Y Zhai, X Zhan, X Zhang - NAVIGATION: Journal of the …, 2022 - navi.ion.org
Integrity, a safety-of-life framework from civil aviation for satellite navigation, is greatly under-
explored in visual navigation. A new two-factor approach to rejecting measurement outliers …

Preliminary Analysis of BDS-3 Performance for ARAIM

H Zhang, Y Jiang, L Yang - NAVIGATION: Journal of the Institute of …, 2023 - navi.ion.org
To support the operation of advanced receiver autonomous integrity monitoring (ARAIM), an
integrity support message indicating a minimum performance level of satellite constellation …

[PDF][PDF] www. venghaus. eu 9. Januar 2017

J Venghaus - 2017 - raabe-berlin.de
Das Hauptproblem der realen Radarbeobachtung findet in der Prüfungssituation nicht statt:
Es sind viele Echos auf dem Bildschirm zu sehen, welches Echo stellt ein anderes Fahrzeug …