Antenna system and method
A device comprising a plurality of metallic conical radiators, said conical radiators substantially hollow having a vertex end and a base end, a first cylindrical portion disposed annularly about the base end of the conical portion, a metallic second cylindrical portion coupled to the vertex of the conical portion, said cylindrical portion having a threaded aperture, and an antenna feed coupled to the threaded aperture. The device may have patches disposed on a substrate as a one or multi-dimensional array. An RF feed may be coupled to the radiators.
1. A method comprising:
disposing a plurality of electrically-conductive patches in a linear array on an insulated substrate; and
coupling, to each patch of the plurality of electrically-conductive patches, a respective conical radiator of a plurality of three-dimensional conical radiators,
wherein each conical radiator of the plurality of three-dimensional conical radiators comprises a circular cross section.
2. The method of claim 1 , wherein each conical radiator of the plurality of three-dimensional conical radiators comprises a first end, a second end, and substantially conical portion between the first end and the second end,
wherein the first and second ends are circular,
wherein the second end is smaller than the first end, and
wherein coupling, to each patch of the plurality of electrically-conductive patches, the respective conical radiator of the plurality of three-dimensional conical radiators comprises physically connecting, to each patch of the plurality of electrically-conductive patches, a respective second end of the respective conical radiator.
3. The method of claim 2 , wherein the second end of at least one conical radiator of the plurality of three-dimensional conical radiators comprises an aperture having an unbroken circumference and extending at least partially through the second end.
4. The method of claim 2 , further comprising:
electrically coupling an antenna feed connector to the second end of at least one conical radiator of the plurality of three-dimensional conical radiators.
5. The method of claim 4 , further comprising:
electrically coupling the antenna feed connector to a radio transmitter.
6. The method of claim 4 , further comprising:
electrically coupling the antenna feed connector to a wireless access point.
7. The method of claim 2 , wherein a height of the second end is selected to effectuate tuning of a transmission system.
8. The method of claim 1 , wherein coupling, to each patch of the plurality of electrically-conductive patches, the respective conical radiator of the plurality of three-dimensional conical radiators comprises coupling, to each patch of the plurality of electrically-conductive patches, the respective conical radiator of the plurality of three-dimensional conical radiators and spacing the plurality of three-dimensional conical radiators to effectuate a predetermined radiation pattern.
9. The method of claim 1 , wherein a quantity of electrically-conductive patches in the plurality of electrically-conductive patches and a quantity of conical radiators in the plurality of three-dimensional conical radiators is each selected to effectuate a predetermined radiation pattern.
10. The method of claim 1 , wherein disposing the plurality of electrically-conductive patches in the linear array on the insulated substrate comprises disposing, in the linear array on the insulated substrate, a plurality of electrically-conductive patches, each patch of the plurality of electrically-conductive patches having a size selected to be approximately the same as a maximum diameter of the respective conical radiator that is coupled to the patch.
11. The method of claim 1 , wherein one or more first conical radiators of the plurality of three-dimensional conical radiators are configured to radiate radio frequency signals in a first radiation pattern, and
wherein one or more second conical radiators of the plurality of three-dimensional conical radiators are configured to radiate radio frequency signals in a second radiation pattern, different from the first radiation pattern.
12. A method comprising:
coupling a radio frequency signal from a radio transmitter to a plurality of electrically-conductive patches in a linear array on an insulated substrate; and
radiating, by a plurality of three-dimensional conical radiators, the radio frequency signal, wherein the plurality of three-dimensional conical radiators comprises a respective conical radiator coupled to each patch of the plurality of electrically-conductive patches,
wherein each conical radiator of the plurality of three-dimensional conical radiators comprises a circular cross section.
13. The method of claim 12 , wherein one or more first conical radiators of the plurality of three-dimensional conical radiators are configured to radiate radio frequency signals in a first radiation pattern, and
wherein one or more second conical radiators of the plurality of three-dimensional conical radiators are configured to radiate radio frequency signals in a second radiation pattern, different from the first radiation pattern.
14. The method of claim 12 , wherein each conical radiator of the plurality of three-dimensional conical radiators comprises a first end, a second end, and substantially conical portion between the first end and the second end,
wherein the first and second ends are circular,
wherein the second end is smaller than the first end, and
wherein each patch of the plurality of electrically-conductive patches is physically connected to a respective second end of the respective conical radiator.
15. The method of claim 14 , wherein the second end of at least one conical radiator of the plurality of three-dimensional conical radiators comprises an aperture having an unbroken circumference and extending at least partially through the second end.
16. The method of claim 14 , wherein an antenna feed connector is electrically coupled to the second end of at least one conical radiator of the plurality of three-dimensional conical radiators.
17. The method of claim 16 , wherein the radio transmitter is electrically coupled to the antenna feed connector.
18. The method of claim 14 , wherein a height of the second end is selected to effectuate tuning of a transmission system.
19. The method of claim 12 , wherein spacing between the plurality of three-dimensional conical radiators is selected to effectuate a predetermined radiation pattern.
20. The method of claim 12 , wherein a quantity of electrically-conductive patches in the plurality of electrically-conductive patches and a quantity of conical radiators in the plurality of three-dimensional conical radiators is each selected to effectuate a predetermined radiation pattern.