| 摘要 |
PROBLEM TO BE SOLVED: To provide a non-contact charging system capable of robust radio communication to a noise generated accompanying the supply of charging power, in the non-contact charging system capable of sharing the same radio communication channel between a plurality of charging stations and a plurality of battery-mounted vehicles.SOLUTION: In a non-contact charging system 100, a charging station 10 and an electric motor car 40 measure RSSI on a radio communication channel before the signal transmission from the self-equipment, and transmit signals if the RSSI is smaller than a predetermined CCA threshold or wait for a random time if the RSSI is greater than the CCA threshold. While charging power is supplied from the charging station 10 to the electric motor car 40, the charging station 10 and the electric motor car 40 set the CCA threshold to be -30 dBm which is higher than -60 dBm in a normal state. |
