Aspects of the subject disclosure may include, detecting a communication device in transit, determining a trajectory of the communication device, selecting a section from a plurality of sections of an array of dielectric antennas according to the trajectory of the communication device, where the section corresponds to a set of one more dielectric antennas from the array of dielectric antennas coupled to a set of launchers, and directing the set of launchers to launch electromagnetic waves directed to the set of one more dielectric antennas to generate a beam pattern directed to the communication device while in transit. Other embodiments are disclosed.