An antenna tile, comprising:
- one or more antenna patch elements for radiating radio frequency (RF) signals, each of the one or more antenna patch elements comprising a conductive layer;
- a circuit board disposed between the one or more antenna patch elements and a support structure;
- and
- the support structure comprising one or more ground cavities, the one or more ground cavities being integrated into the support structure and electrically conductive, the one or more ground cavities for resonating standing waves, the one or more ground cavities disposed below the respective one or more antenna patch elements, wherein the one or more antenna patch elements are capacitively coupled to the respective one or more ground cavities,
- wherein:
- each of the one or more antenna patch elements is vertically aligned with a respective one of the one or more ground cavities,
- the circuit board comprises a first top surface and a first bottom surface, the first top surface facing toward the one or more antenna patch elements, the first bottom surface facing away from the one or more antenna patch elements,
- the circuit board comprises multiple conductive layers on dielectric layers, the dielectric layers comprising rigid reinforcement material, flexible material without reinforcement, or a combination of rigid reinforcement material and flexible material without reinforcement,
- the circuit board comprises one or more circuit modules mounted on the first bottom surface, the one or more circuit modules coupled to the respective one or more antenna patch elements,
- the support structure comprises a second top surface and a second bottom surface, the second top surface facing toward the one or more antenna patch elements, the second bottom surface facing away from the one or more antenna patch elements,
- the second top surface comprises one or more first physical pockets,
- the one or more ground cavities comprise one or more conductive sheets, each of the one or more conductive sheets integrally attached to a respective one of the one or more first physical pockets and attached to a rim of the respective one of the one or more first physical pockets,
- the second top surface comprises one or more second physical pockets,
- each of the one or more circuit modules is disposed above and within a respective one of the one or more second physical pockets,
- the one or more antenna patch elements are attached to the first top surface, and
- the first bottom surface is attached to the second top surface.