Dielectric antenna array and system
An example antenna system includes a plurality of dielectric rod stacks and a control circuit. The control circuit includes a plurality of independently controlled output circuit boards. Each independently controlled output circuit board includes a respective dielectric rod stack. The respective dielectric rod stack includes a plurality of respective dielectric rods. The control circuit selects: (i) the dielectric rod stacks, and (ii) the respective dielectric rods of the respective dielectric rod stack to adjust a beam of emitted or received radio frequency (RF) waves.
1. An antenna system comprising:
a plurality of dielectric rod stacks;
a control circuit including a plurality of independently controlled output circuit boards, wherein:
each independently controlled output circuit board includes a respective dielectric rod stack, and
the respective dielectric rod stack includes a plurality of respective dielectric rods;
wherein the control circuit selects: (i) the dielectric rod stacks, and (ii) the respective dielectric rods of the respective dielectric rod stack to adjust a beam of emitted or received radio frequency (RF) waves.
2. The antenna system of claim 1 , wherein each of the independently controlled output circuit boards is oriented substantially vertically to create a switching matrix allowing for approximately 360 degree coverage.
3. The antenna system of claim 2 , wherein the independently controlled output circuit boards are radially arranged.
4. The antenna system of claim 1 , wherein each independently controlled output circuit board includes a respective modular stackboard.
5. The antenna system of claim 4 , wherein:
the respective dielectric rods are attached to the respective modular stackboard; and
the respective dielectric rods are oriented substantially horizontally.
6. The antenna system of claim 5 , wherein each respective dielectric rod stack includes at least three respective dielectric rods.
7. The antenna system of claim 1 , wherein each of the independently controlled output circuit boards are spaced approximately 20 degrees apart.
8. The antenna system of claim 7 , wherein the plurality of independently controlled output circuit boards includes at least sixteen independently controlled output circuit boards.
9. The antenna system of claim 7 , wherein:
the plurality of independently controlled output circuit boards includes eighteen independently controlled output circuit boards.
10. The antenna system of claim 1 , wherein each respective dielectric rod stack includes three respective dielectric rods.
11. The antenna system of claim 1 , wherein the control circuit further includes a microcontroller, a field programmable gate array (FPGA), firmware, or a combination thereof.
12. The antenna system of claim 11 , wherein:
the control circuit includes:
a processor,
a memory accessible to the processor, and
RF beam control programming stored in the memory;
execution of the RF beam control programming by the processor configures the control circuit to select location and number of the respective dielectric rods to adjust the beam.
13. The antenna system of claim 12 , further comprising an input/output (I/O) interface and a sensor, wherein:
the I/O interface receives sensor data generated by the sensor, and
execution of the RF beam control programming by the processor configures the control circuit to select location and number of the respective dielectric rods based on the sensor data.
14. The antenna system of claim 12 , wherein the selecting location and number of the respective dielectric rods adjusts the beam by widening or narrowing the beam.
15. The antenna system of claim 11 , wherein:
the control circuit includes:
a processor,
a memory accessible to the processor, and
RF beam control programming stored in the memory;
execution of the RF beam control programming by the processor configures the control circuit to select location and number of the respective dielectric rod stacks to adjust the beam.
16. The antenna system of claim 15 , further comprising an input/output (I/O) interface and a sensor, wherein:
the I/O interface receives sensor data generated by the sensor, and
execution of the RF beam control programming by the processor configures the control circuit to select location and number of the respective dielectric rod stacks based on the sensor data.
17. The antenna system of claim 15 , wherein the selecting location and number of the respective dielectric rod stacks adjusts the beam by widening or narrowing the beam.
18. The antenna system of claim 15 , wherein the I/O interface includes a Universal Serial Bus (USB) port.
19. The antenna system of claim 11 , wherein:
the control circuit includes:
a processor,
a memory accessible to the processor, and
RF beam control programming stored in the memory;
execution of the RF beam control programming by the processor configures the control circuit to select location and number of: (i) the respective dielectric rod stacks, and (ii) the respective dielectric rods to adjust the beam.
20. The antenna system of claim 1 , further comprising a radio, wherein the control circuit is coupled to the radio.