For its part, the research issues related to browsing technologies affect the following aspects:

1) Algorithms sensitivity GPS receivers
2) Integration Architectures for GNSS signals multistandard receivers
3) Problem of positioning inside buildings
4) management of the frequency spectrum, interference in the radio band navigation
5) Technologies of resistance to jamming and anti-jamming
6) Inertial navigation sensors with low cost (low end)
7) Data Fusion integration of GNSS and SBAS aid
8) High Precision Navigation (RTK, multi-RTK, etc.).
9) Treatment of GNSS signals wide band
10) Etc.

Below are the research themes arising from these issues, which are studied by the research team of the laboratory LASSENA.