Improvement Of Pseudorange Measurements Accuracy By Using Fast Adaptive Bandwidth Lock Loops

Fabrice Legrand is a Ph.D. candidate at the ENAC, in the CNS Research Laboratory. His thesis is supported by CNES and Alcatel Space Industries, and dedicated to radio navigation raw measurement integrity and accuracy improvements. Christophe Macabiau is the head of Signal Processing Laboratory of the CNS Research Laboratory of the ENAC. Jean-Luc Issler and Laurent Lestarquit are in the RadioNavigation Department at CNES. They are involved in the mission analysis and the development of STENTOR and DEMETER satellite GNSS receivers. Christian Mehlen has been involved for ten years in study and development of GPS receivers at SEXTANT Avionique, and now at ALCATEL Space Industries. He is the technical responsible of TOPSTAR 3000, the spaceborne GPS receiver of ALCATEL.