Three dimensional antenna array module
Provided is an apparatus including a plurality of antenna modules and a printed circuit board (PCB) having a plurality of holes embedded with a heat sink. Each antenna module includes an antenna substrate, a plurality of three-dimensional (3-D) antenna cells mounted on a first surface of the antenna substrate, and a plurality of packaged circuitry mounted on a second surface of the antenna substrate. The plurality of packaged circuitry are electrically connected with the plurality of 3-D antenna cells. Each antenna module is mounted on the plurality of holes via a corresponding packaged circuitry of the plurality of packaged circuitry.
1. An apparatus, comprising:
a plurality of antenna modules; and
a printed circuit board (PCB) having a plurality of holes embedded with a heat sink,
wherein the PCB further comprises a top surface and a bottom surface, wherein a mounting surface is formed by an arrangement of the top surface of the PCB and a plurality of portions of the heat sink embedded within the plurality of holes:
wherein each antenna module of the plurality of antenna modules comprises:
an antenna substrate;
a plurality of three-dimensional (3-D) antenna cells mounted on a first surface of the antenna substrate; and
a plurality of packaged circuitry mounted on a second surface of the antenna substrate, wherein the plurality of packaged circuitry are electrically connected with the plurality of 3-D antenna cells,
wherein each antenna module of the plurality of antenna modules is mounted on the mounting surface formed by the top surface of the PCB and the plurality of portions of the heat sink embedded within the plurality of holes.
2. The apparatus according to claim 1 , wherein each of the plurality of 3-D antenna cells is a 3-D metal stamped antenna.
3. The apparatus according to claim 1 , wherein a height of each of the plurality of 3-D antenna cells is one-fourth of wavelength at an operational frequency.
4. The apparatus according to claim 1 , wherein a width of each of the plurality of 3-D antenna cells is half of wavelength at an operational frequency.
5. The apparatus according to claim 1 , wherein each of the plurality of 3-D antenna cells comprises a raised antenna patch with air dielectric.
6. The apparatus according to claim 5 , wherein the raised antenna patch comprises a top plate over a ground plane in each of the plurality of 3-D antenna cells.
7. The apparatus according to claim 5 , wherein the raised antenna patch comprises four projections having outwardly increasing widths.
8. The apparatus according to claim 5 , wherein the raised antenna patch comprises a top plate at a height greater than a ground plane in each of the plurality of 3-D antenna cells.
9. The apparatus according to claim 1 , wherein each of the plurality of 3-D antenna cells further comprises four supporting legs.
10. The apparatus according to claim 9 , wherein each of the four supporting legs is located between a pair of adjacent projections of four projections associated with a raised antenna patch of each of the plurality of 3-D antenna cells.
11. The apparatus according to claim 1 , wherein the plurality of packaged circuitry comprises a plurality of radio-frequency (RF) chips and at least one mixer chip that are mounted on the second surface of the antenna substrate.
12. The apparatus according to claim 11 , wherein the plurality of packaged circuitry is further mounted on the printed circuit board (PCB) based on the plurality of holes in the PCB.
13. The apparatus according to claim 1 , further comprises a first supporting ball on a first side of a packaged circuitry of the plurality of packaged circuitry and a second supporting ball on a second side of the packaged circuitry on the second surface of the antenna substrate.
14. The apparatus according to claim 1 , wherein the heat sink is in direct contact with the PCB and the plurality of holes.