| 摘要 |
<p>A road-side apparatus for transmitting a carrier of a specified frequency has a service presenting state data generating unit and an FCMC generating unit. The service presenting state data generating unit generates data on a service presenting state having a corresponding relationship between information indicating the type of services presented by the road-side apparatus and information indicating that the road radio apparatus uses the carrier of which frequency, every road-side apparatus. The FCMC generating unit multiplexes the data on the service presenting state generated by the service presenting state data generating unit, to transmission data. In an on-vehicle apparatus, a service presenting state data separating unit obtains the data on the service presenting state from the transmission data, and a carrier specifying unit specifies the carrier for presenting a desired service and sets a reception frequency of a receiving unit.</p> |
