Aspects of the subject disclosure may include, for example, an antenna array having a plurality of dielectric antennas and a plurality of dielectric cores. Each dielectric antenna of the plurality of dielectric antennas can have a structural configuration that enables flat surfaces of the plurality of dielectric antennas to be adjacent to each other. Each dielectric antenna of the plurality of dielectric antennas further includes an aperture for radiating a wireless signal in response to an electromagnetic wave received by each dielectric antenna. Each dielectric core of the plurality of dielectric cores can be coupled to a select one of the plurality of dielectric antennas to facilitate guiding a select one of a plurality of electromagnetic waves to the select one of the plurality of dielectric antennas. Other embodiments are disclosed.