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

Claim 8:
9. A wireless communication system comprising a first wireless communication device and a second wireless communication device each mounted on different vehicles, and performing wireless communication using a plurality of frequency channels between the first wireless communication device and the second wireless communication device, wherein
the plurality of frequency channels includes a first channel and a second channel,
the first channel uses at least a radio signal of a polarization plane orthogonal to a polarization plane of a radio signal in the second channel,
the first wireless communication device measures reception power of a radio signal received from the second wireless communication device and an inter-vehicle distance between a vehicle equipped with the first wireless communication device and the vehicle equipped with the second wireless communication device, and transmits a radio signal including information for switching between polarization planes of radio signals in the first channel and the second channel based on a reception power and the inter-vehicle distance, to the second wireless communication device, and
the second wireless communication device switches between the polarization planes of radio signals in the first channel and the second channel based on the radio signal received from the first wireless communication device.