Browse Publications Technical Papers 2008-01-1249

A Collaborative Navigation Approach in Intelligent Vehicles 2008-01-1249

Proliferation of real time inter-vehicular communications provides new sources for exploitable positioning data. Vehicles can, under numerous situations, have GPS satellite shortages but there will always be vehicles in their vicinity, with a different set of satellites, to provide them with useful navigation information. In this paper, we propose a cooperative positioning technique making use of reliable positions of some vehicles to enhance positioning estimates of some others. We will exploit the useful inter-vehicle data flow to extract good position measurements from vehicles with good GPS satellite LOS (line of sight), in order to enhance low positioning accuracy of other vehicles, in the neighborhood. The integration of such information will be done using geometric data fusion approach.


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