US Patent 12106668 Selective message retransmission in vehicle-vehicle communications

A method of distributing intention signaling messages for a vehicle. The vehicle having a plurality of directional radio antennas oriented to transmit radio signals in predetermined and distinct directions. Responsive to the intended change in the vehicle motion, at least one of a plurality of directional radio antennas is selected. The selected directional radio antenna facing in the direction of surrounding traffic which would be affected by the intended change in motion is selected. An intention signaling message is formed and transmitted. The intention signaling message corresponds to the intended change in the vehicle motion by means of the selected directional radio antenna.