| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a vehicle information communication system preventing communication with a vehicle out of a desired communication area and realizing communication only with a vehicle in the desired communication area. SOLUTION: The first antenna 14 of road side radio equipment 13 is arranged in an up lane 11 and a second antenna 15 on this side compared to the antenna 14. An antenna number peculiar to road side radio equipment 13 is transmitted from the second antenna 15 and the on-vehicle unit 21 of a vehicle A stores the antenna number. In the first antenna 14, the antenna number transmitted from the on-vehicle unit 21 is received, and communication is executed with the on-vehicle unit 21 of the vehicle A when the antenna number is matched with an antenna number peculiar to road side radio equipment 13.</p> |
