| 摘要 |
An in-vehicle apparatus includes a first receiver capable of receiving identification information about a vehicle group that is transmitted from a first roadside device in a signal having directivity; a judging unit for identifying a vehicle group to which a host vehicle of the in-vehicle apparatus belongs based on the identification information; and a first transmitter capable of transmitting the identification information to a second roadside device connected to a network of a road traffic system.
|
