This paper describes a fully autonomous decentralized method for synchronizing the
interaction of vehicles moving on a highway. The method synchronizes the vehicles using sim-
ultaneous signal transmission from a group of transmitters to a group of receivers.
With this feature, data exchange speed is increased, and the computing abilities of vehicles are
connected into a moving computing cluster. The autonomous system operates without external
controllers. Due to decentralization, the group of vehicles implements the synchronization process
without any system control center. The group members interconnect via wireless optical
and radio communication channels. There are two interacting stages of the synchronization process.
The first stage is intended to perform decentralized coordination and information exchange within
the group and determine the location, speed, and motion direction of the group members. The first
stage passes initial information to the second stage. The second stage provides much more accurate
vehicle tracking data and simultaneous information exchange between the groups of transmitters
and receivers. Message transmission is synchronized very precisely (up to a single bit). In
particular, necessary information about n vehicles is quickly acquired and transmitted to all
receivers using one common message containing no more than n digits. Thus, the provided solution
allows collecting the necessary information for vehicle coordination on highway sections,
combining every vehicle’s computing capability into one mobile computing cluster.