Wednesday

The ESA OpSTAR Mission: An in-Orbit Demonstrator of Optical Links Enabling Highly Accurate Synchronization and Ranging for Next-Gen GNSS Architectures

Gabriele Giorgi1, Juraj Poliak1, Alessandro Accorinti1, Tobias Schmidt1, Jan Speidel2, Niklas Tarkian2, Daniel Blonski3, David Ibanez3, Jose Angel Avila Rodriguez3, 1 German Aerospace Center (DLR), 2 OHB, 3 European Space Agency

Session B1: Applications Using Communication Technologies, Opportunistic Signals, or Collaborative Positioning, Wednesday, September 16, 08:35 a.m.

Presenter: Tobias Schmidt

  • ESA FutureNAV initiative.
  • Consortium from 14 EU countries, more than 30 industrial entities involved.
  • Mission shall target in-orbit demonstration of system-wide picosecond-level time synchronization, (sub)centimeter-level ranging, and overall system operability of optical PNT and associated autonomous long-term operations.

First Independent Assessment of Xona’s Pulsar Signal Quality, Positioning Performance and Compatibility

Steffen Thoelert1, Florian C. Beck1,2, 1 German Aerospace Center (DLR), 2 RWTH Aachen University

G1: LEO-Based PNT and Integrated Communication and Navigation (Signal Design) 1 , Wednesday, September 16, 10:40 a.m.

Presenter: Steffen Thoelert

  • Signal in Space measurements and analysis of Xona’s Pulsar-0 satellite.
  • Signal quality analysis from spectral purity up to range bias analysis based on transfer function estimates.
  • Compatibility assessment according the present big four GNSS and future Galileo 2nd Generation signals.

Hardware-in-the-Loop Evaluation of Tracking Performance for Distortion-Optimized Multilevel Coded Spreading Signals

Florian C. Beck1,2, Alex Minetto3, Iman E. Mehr4, Andrea Nardin3, Steffen Thölert1,2, Fabio Dovis3, and Michael Meurer1,2,1 German Aerospace Center (DLR), 2 RWTH Aachen University, 3 Politecnico di Torino, 4 Fondazione LINKS

Session F1: Next-Generation GNSS: Signals, Architectures, and Receiver, Wednesday, September 16, 11:26 a.m.

Presenter: Florian C. Beck

  • Conducted Hardware-in-the-Loop recordings of previously optimized multilevel coded spreading signal candidates
  • Evaluation of tracking performance expressed by code tracking jitter of a configurable software receiver

Assessment of Multipath Limiting Antenna Calibration Effects on DFMC GBAS Performance

Maria Caamano1, Simon P. Hehenberger1, Stefano Caizzone1, Daniel Gerbeth1, Michael Nietlispach2, Michael Felux2, Gary A. McGraw3, 1 German Aerospace Center (DLR), 2 Zurich University of Applied Sciences (ZHAW), 3 Genova Technologies/DLR Consultant

Session D2a: GNSS Integrity in Aviation: ARAIM, GBAS, SBAS and Their New Advancements , Wednesday, September 16, 2:12 p.m.

Presenter: Maria Caamano

  • Derivation of Multipath Limiting Antennas (MLAs) calibration files.
  • Evaluation of noise and multipath estimates with and without antenna calibration.
  • Impact on GBAS integrity parameters through the derivation of noise and multipath ground models based on Gauss-Markov models.

Enhanced DME Flight-Test Performance Assessment and Ranging Error Modeling

Gianluca Zampieri (DLR & RWTH Aachen University), Paolo Lunardi, Luca Saini (Thales), Daniele Biella (Consultant), Giovanni Cuciniello, Luca Garbarino (CIRA), Brandon Michael Weaver (DLR), Michael Meurer (DLR & RWTH Aachen University), Gary McGraw (Consultant).

Session B2: Aviation, Aeronautics, and Uncrewed Aerial Applications , Wednesday, September 16, 2:58 p.m.

Presenter: Gianluca Zampieri

  • Data analysis of the MIAR project’s eDME flight test.
  • Characterization and modelling of the DME/eDME ranging errors.
  • The methodology is evaluated and tested using the flight campaign dataset.