US Patent 10284655 Resource allocation for channel access in V2X communication systems

A method in a vehicle configured to communicate in a vehicle point-to-multipoint communication system is provided. The method includes selecting a transmission resource comprising a sub-channel frequency range and time slot on which to compete for communication rights, competing with one or more vehicles for communication rights on the transmission resource using a listen-before-talk algorithm, and transmitting vehicle data on the transmission resource won.