The Local GNSS Integrity Concept: Feasibility and Experimental Validation in an Urban Vehicular Scenario

The practical feasibility and the performance of the novel concept of “local integrity” are investigated in this paper. The idea is to implement a collaborative spatial/temporal characterization of possible local degradations of the Global Navigation Satellite System (GNSS) signals in an urban vehicular context. This objective can be achieved sharing and combining multiple observations of the GNSS signals taken by different vehicles participating to a Vehicular Ad-hoc Network (VANET). The proposed approach has been successfully validated by means of vehicular data collections and the obtained results in an urban scenario are reported in the paper.