Patent ID: 11968021
Assignee: HITACHI ASTEMO, LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. The wireless communication system according to claim 9, wherein
the first wireless communication device measures reception power of the radio signal received from the second wireless communication device and the inter-vehicle distance between the vehicle equipped with the first wireless communication device and the vehicle equipped with the second wireless communication device, and transmits the radio signal including information for adjusting at least one of another transmission power of a radio signal to be transmitted from the second wireless communication device to the first wireless communication device and an attenuation amount when the second wireless communication device receives the radio signal from the first wireless communication device based on the reception power and the inter-vehicle distance, to the second wireless communication device, and
the second wireless communication device adjusts at least one of the transmission power and the attenuation amount based on the radio signal received from the first wireless communication device.