Wednesday

Parallel Deep Quantile Estimation with Gaussian Overbounding for GNSS Multipath Modeling

Florian Roessl, Omar Garcia Crespillo, German Aerospace Center (DLR)

Session C1: AI-Driven Positioning and Navigation, Wednesday, September 10, 09:43 a.m.

Presenter: Florian Roessl

  • Artificial Intelligence (AI) used to model highly complex relationship between GNSS features and the multipath error
  • Analysis of different architectures, e.g. joint and parallel “Heads”, for quantile-based distribution estimation
  • Validation with real-world GNSS railway data within a modified H-ARAIM algorithm.

Multiantenna System for Robust and Precise GNSS Reference Station Performance

Veenu Tripathi, Simon P. Hehenberger, Wahid Elmarissi and Stefano Caizzone, German Aerospace Center (DLR)

Session F2: Advanced Software and Hardware Technologies for GNSS Receivers , Wednesday, September 10, 4:00 p.m.

Presenter: Veenu Tripathi

  • Design and evaluation of multi-frequency arrays for reference stations
  • Multi-band vertical choke rings aimed at mitigating multipath effects originating from the ground or mounting mast

Opportunistic Radio Map Creation With Foot-Mounted IMUs: A Dual-Benefit Approach For Indoor Positioning

Philipp Hager, Martin Schmidhammer, Christian Gentner, German Aerospace Center (DLR); Eva Buchmayer, Institute of Geodesy, Graz University of Technology

Session D2: Alternative Technologies for GNSS-Denied Environments – Non-Optical Approaches , Wednesday, September 10, Alternate

Presenters: Eva Buchmayer, Christian Gentner

  • Development of a hybrid localization framework that fuses foot-mounted IMU data with Wi-Fi RSSI measurements for indoor positioning
  • Autonomous and device-agnostic construction of a probabilistic radio map during routine pedestrian movement, eliminating manual fingerprint labeling
  • Robust meter-level online positioning using a particle filter