Low Cost Precise Navigation in Urban Area with Multi-Constellation GNSS and Inertial-Aiding - ENAC - École nationale de l'aviation civile Accéder directement au contenu
Communication Dans Un Congrès Année : 2018

Low Cost Precise Navigation in Urban Area with Multi-Constellation GNSS and Inertial-Aiding

Yu Wang
  • Fonction : Auteur
  • PersonId : 1024961
Olivier Julien
  • Fonction : Auteur
  • PersonId : 961779

Résumé

Positioning with stand-alone GPS is known to be strongly degraded in a constrained environment (urban or sub-urban conditions) due to frequent signal masking, strong multipath effect, frequent cycle slips on carrier phase, etc. The objectives of this work is to explore the possibility of achieving precise positioning with a low-cost architecture: a low-cost GNSS mono-frequency receiver and MEMS. The following aspects are considered to improve the PVT performance: consideration of multi-GNSS constellations (GPS+GLONASS), inclusion of carrier phase measurements, the RTK methodology and MEMS to restrict the degradation during GNSS outages. To detect cycle slips, a specific detector scheme is used which is also capable of detecting CS on the reference station-side. Besides, to bring the high-accuracy carrier phase measurements to absolute measurements, their integer ambiguities are fixed by using a modified version of Partial Ambiguity Resolution (PAR).
Fichier non déposé

Dates et versions

hal-01664386 , version 1 (14-12-2017)

Identifiants

Citer

Yu Wang, Olivier Julien. Low Cost Precise Navigation in Urban Area with Multi-Constellation GNSS and Inertial-Aiding. ITM 2018, ION International Technical Meeting, Jan 2018, Reston, United States. pp.502-520, ⟨10.33012/2018.15550⟩. ⟨hal-01664386⟩
114 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More