| 摘要 |
A signal receiving element of a communication environment prediction terminal receives GPS signals via satellite communication from GPS satellites. A position information detecting element detects position information indicating a position of a vehicle on which the terminal is mounted, based on the GPS signals received by the receiving element. Then, a position measurement information generating element generates position measurement information including the position information detected by the detecting element, that is, the position measurement information indicating a travel position of the vehicle positioned by the GPS signals. A communication information generating element generates communication information indicating a communication environment in an area to which the vehicle has moved, based on the position measurement information by making use of the characteristic that the GPS signal is difficult to receive in a point with an obstacle or the like.
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