Importance

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Abstract

A vehicle positioning system includes a first-vehicle information receiving unit, a surrounding information analysis unit, a positioning unit, a positioning accuracy determination unit, a second-vehicle information generation unit, and a second-vehicle information transmitting unit. The first-vehicle information receiving unit receives first-vehicle information from a first vehicle around a second vehicle. The surrounding information analysis unit analyzes the first-vehicle information to acquire a first positioning performance. The positioning unit performs positioning of the second vehicle based on satellite information and the first positioning performance. The positioning accuracy determination unit determines accuracy of the positioning of the second vehicle. The second-vehicle information generation unit generates second-vehicle information including at least one of information indicating which satellite is used or not used for the positioning, ephemeris information, or pseudorange correction information. The second-vehicle information transmitting unit transmits the second-vehicle information to the first vehicle.

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First Claim