US Patent 10887737 Vehicle-to-vehicle communication system

A method and system includes a first radio generating a beacon signal. The beacon signal has group beacon data for a group comprising a plurality of radios and the first radio. The first radio transmits the beacon signal during a beacon timeslot of a frame. The frame has a plurality of timeslots. A second radio outside the group receives the beacon signal, identifies a first timeslot that is unused based on the group beacon data and communicates data from the second radio to the group during the first timeslot.