VEHICULAR COMMUNICATION SYSTEM, VEHICULAR INFORMATION COLLECTING SYSTEM, AND VEHICULAR COMMUNICATION PROGRAM

PROBLEM TO BE SOLVED: To provide a system and the like capable of collecting information regarding a designated area from an adequate vehicle in real-time. SOLUTION: According to a vehicular communication system 10, probe information can be sent to a server 20 from a second vehicle Q2 out of an arbitrary number of second vehicles Q2 whose present position is located in a designated area and whose information is included in a multicast received by the second vehicle Q2, in other words, a designated area with high necessity from a viewpoint of moving smoothly a first vehicle Q1 to a desired position P2. Also, the probe information can be collected in real-time from the second vehicle Q2 present in the designated area in the past and outside of the designated area at the present time in consideration of the high probability that it holds useful information for estimating the present state in the designated area. COPYRIGHT: (C)2010,JPO&INPIT