The wide band data service which leads the vehicle power line

摘要

Offer method of the wide band data service which leads the power line to the portable vehicle is offered here. The wide band communication which leads the power line (BPL) using network, the data signal is connected to the vehicle which is connected to the transport electric line of force. The signal is transmitted from the transport electric line of force to the vehicle. After that, the signal recovers for using on the vehicle. Connection of the data signal makes the access to wide area network of Internet and the like possible. Access point from the position where it stands still broadcasts the wide area network signal with the radio, it is possible to demarcate reticular radio communication network to the metropolitan area.