Abstract
The road conditions during the winter are one of the significant concerns for the car driving. Especially, in the local areas such as the mountain areas or the ski runs, the roads would be more slippery. However, it is difficult with measuring the whole road conditions by the fixed sensor points. Therefore, this paper proposes the IEEE802.11p based delay tolerant networks (DTN) for the safety surveillance system. In the proposed system, the sensor of quasi-electrostatic field (QEF) on the wheels measures the road conditions, and the observed data is transmitted to another automobile. Moreover, when the road is recognised as the frozen road, and the data is priority sent to the others by the proposed data triage method. The simulations are held by the GIS map of the northern Japanese cities, and the results indicated the effectiveness of the proposed system.
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