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This paper proposes a Trajectory-Based Data (TBD) Forwarding scheme, tailored for the data forwarding for roadside reports in light-traffic vehicular ad hoc networks. State-of-the-art schemes have demonstrated the effectiveness of their data forwarding strategies by exploiting known vehicular traffic statistics (e.g., densities and speeds). These results are encouraging, however, further improvements...
The rapid fusion and integration of road network and dynamic traffic data is vital for real-time road vehicle navigation. Yet current navigation electronic map and geographical information systems (GIS) are not well adapted to the real-time dynamic traffic navigation data integration and integrated Spatio-temporal database manipulation. This paper brought forward the principles, methodologies, integrative...
Some traffic rules make the road network include restricted routes. In order to calculate the optimal path in road network with restricted routes, the characteristics of road network with restricted routes was studied, and the corresponding mathematic model of the road network was built. The road network with restricted routes was translated into the road network without restricted routes according...
Many Intelligent Transportation System applications require continuous and accurate positioning information of the vehicles traveling on the road network. The common devices used for vehicle location are based on Global Position System (GPS), dead-reckoning (DR) sensors, map matching (MM). The paper develops a fuzzy logic based map matching algorithm. The algorithm is tested on different road networks...
Most car navigation systems estimate the car position from dead reckoning and the Global Positioning System (GPS). However, because of the unknown GPS noise, the estimated position has an undesirable error. To solve this problem, a map-matching method is introduced, which uses a digital road map to correct the position error. In this paper, based on analyzing the pure geometry and possibility statistics...
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