Methods and apparatus for adjusting an operational characteristic of an antenna

• US 10,431,894 B2
• Filed: 01/10/2019
• Issued: 10/01/2019
• Est. Priority Date: 11/03/2016
• Status: Active Grant

• Current Assignee: AT&T Intellectual Property I LP (AT&T, Inc.)
• Original Assignee: AT&T Intellectual Property I LP (AT&T, Inc.)
• Inventors: Henry, Paul Shala, Willis, III, Thomas M., Barzegar, Farhad, Bennett, Robert, Gerszberg, Irwin, Barnickel, Donald J.
• Primary Examiner(s): Dean, Raymond S
• Application Number:
  US16/244,658
• Publication Number:
  US 20190148835A1
• Time in Patent Office: 264 Days
• CPC Class Codes: H01Q 1/46 Electric supply lines or communication lines
• CPC Class Codes: H01Q 13/103 with variable reactance for tuning the antenna tuning resonant circuits H03J
• CPC Class Codes: H01Q 19/08 for modifying the radiation pattern of a radiating horn in which it is located corrugated horns H01Q13/0208; producing a circular polarisation H01Q13/0241
• CPC Class Codes: H01Q 19/108 Combination of a dipole with a plane reflecting surface H01Q19/106 takes precedence; strip line H01Q9/065
• CPC Class Codes: H01Q 3/30 varying the relative phase between the radiating elements of an array H01Q3/2605, H01Q3/2658, H01Q3/2682, H01Q3/44 take precedence
• CPC Class Codes: H01Q 9/0485 Dielectric resonator antennas

Abstract

Aspects of the subject disclosure may include, for example, a system for receiving a first electromagnetic wave supplied by a dielectric antenna in a first position, where the first electromagnetic wave propagates along an outer surface of a feedline of the dielectric antenna, receiving a second electromagnetic wave supplied by the dielectric antenna in a second position, where the second electromagnetic wave propagates along the outer surface of the feedline of the dielectric antenna, measuring a ratio of a first signal strength of the first electromagnetic wave and a second signal strength of the second electromagnetic wave, detecting that the ratio is below a threshold, and adjusting an operational characteristic of a system to increase the ratio. Other embodiments are disclosed.

Claims

1. A device, comprising:

an antenna;

at least one physical transmission medium coupled to the antenna;

a processing system including a processor; and

a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations, the operations comprising;

receiving, via the at least one physical transmission medium and a receiver, a first electromagnetic wave supplied by the antenna in a first position;

receiving, via the at least one physical transmission medium and the receiver, a second electromagnetic wave supplied by the antenna in a second position, wherein the first electromagnetic wave and the second electromagnetic wave propagate along the at least one physical transmission medium without requiring an electrical return path;

measuring a front-to-back ratio of the antenna according to a first characteristic of the first electromagnetic wave and a second characteristic of the second electromagnetic wave; and

adjusting an operational characteristic of the device to increase the front-to-back ratio.

2. The device of claim 1, wherein the antenna comprises an array of dielectric antennas, wherein the at least one physical transmission medium comprises a plurality of dielectric cores coupled to the array of dielectric antennas, wherein the first electromagnetic wave comprises a first plurality of electromagnetic waves supplied by the array of dielectric antennas, wherein the second electromagnetic wave comprises a second plurality of electromagnetic waves supplied by the array of dielectric antennas, wherein the receiver comprises a plurality of receivers, and wherein the adjusting the operational characteristic comprises configuring each of the plurality of receivers coupled to the array of dielectric antennas via the plurality of dielectric cores to adjust a phase for receiving the first plurality of electromagnetic waves, the second plurality of electromagnetic waves, or a combination thereof, supplied by the array of dielectric antennas.

3. The device of claim 2, wherein the adjusting the operational characteristic further comprises configuring the plurality of receivers to identify a phase adjustment that at least substantially suppresses one or more wireless signals received by the array of dielectric antennas in the second position.

4. The device of claim 1, wherein the adjusting the operational characteristic further comprises adjusting a spatial alignment of the antenna.

5. The device of claim 4, further comprising a gimbal coupled to the antenna to enable the adjusting the spatial alignment of the antenna.

6. The device of claim 1, wherein the antenna comprises a plurality of dielectric antennas, wherein the at least one physical transmission medium comprises a plurality of dielectric cores, wherein each of the plurality of dielectric antennas is coupled to a corresponding dielectric core of the plurality of dielectric cores, wherein the plurality of dielectric antennas operates as a phased-array antenna system, wherein the receiver comprises a plurality of receivers, and wherein the adjusting the operational characteristic comprises configuring the plurality of receivers coupled to the phased-array antenna system to adjust phases for receiving a plurality of electromagnetic waves supplied by the phased-array antenna system.

7. The device of claim 1, wherein the first electromagnetic wave is generated responsive to the antenna receiving, in the first position, wireless signals from a source, wherein the second electromagnetic wave is generated responsive to the antenna receiving, in the second position, the wireless signals from the source, wherein the first position comprises an anterior position of the antenna, and wherein the second position comprises a posterior position of the antenna.

8. The device of claim 1, wherein the antenna comprises a first dielectric antenna in the first position and a second dielectric antenna in the second position, wherein the at least one physical transmission medium comprises a first dielectric core and a second dielectric core, wherein the receiver comprises a plurality of receivers, wherein the first dielectric core is coupled to the first dielectric antenna for receiving the first electromagnetic wave, and wherein the second dielectric core is coupled to the second dielectric antenna for receiving the second electromagnetic wave.

9. A method, comprising:

receiving, via at least one physical transmission medium coupled to an antenna, a first electromagnetic wave supplied by the antenna in a first position, wherein the first electromagnetic wave propagates along the at least one physical transmission medium;

receiving, via the at least one physical transmission medium, a second electromagnetic wave supplied by the antenna in a second position, wherein the second electromagnetic wave propagates along the at least one physical transmission medium, and wherein the first electromagnetic wave and the second electromagnetic wave propagate along the at least one physical transmission medium without requiring an electrical return path;

measuring a ratio of power gain of the antenna according to a first signal strength of the first electromagnetic wave and a second signal strength of the second electromagnetic wave; and

adjusting an operational characteristic of a system utilizing the antenna to increase the ratio of power gain.

10. The method of claim 9, further comprising spatially adjusting the first position of the antenna to the second position of the antenna to enable the receiving the second electromagnetic wave and the measuring the ratio of power gain.

11. The method of claim 9, wherein the first electromagnetic wave is supplied by the antenna in the first position responsive to the antenna receiving a wireless signal from a source.

12. The method of claim 11, wherein the second electromagnetic wave is supplied by the antenna in the second position responsive to the antenna receiving the wireless signal from the source.

13. The method of claim 12, further comprising spatially adjusting the first position of the antenna to the second position of the antenna to enable the receiving the second electromagnetic wave and the measuring the ratio of power gain.

14. The method of claim 9, wherein the antenna comprises an array of dielectric antennas, wherein the at least one physical transmission medium comprises a plurality of dielectric cores coupled to the array of dielectric antennas, wherein the first electromagnetic wave comprises a first plurality of electromagnetic waves supplied by the array of dielectric antennas, wherein the second electromagnetic wave comprises a second plurality of electromagnetic waves supplied by the array of dielectric antennas, and wherein the adjusting the operational characteristic comprises configuring each of a plurality of receivers coupled to the array of dielectric antennas via the plurality of dielectric cores to adjust a phase for receiving the first plurality of electromagnetic waves, the second plurality of electromagnetic waves, or a combination thereof, supplied by the array of dielectric antennas.

15. The method of claim 9, wherein the adjusting the operational characteristic further comprises configuring a receiver to identify a phase adjustment that at least substantially suppresses the second electromagnetic wave supplied by the antenna.

16. The method of claim 9, wherein the adjusting the operational characteristic comprises adjusting a spatial alignment of the antenna.

17. The method of claim 16, wherein the antenna is coupled to a gimbal to enable the adjusting the spatial alignment of the antenna.

18. The method of claim 9, wherein the first position comprises an anterior position of the antenna, and wherein the second position comprises a posterior position of the antenna.

19. A device, comprising:

means for receiving a first electromagnetic wave supplied by an antenna in a first position, wherein the first electromagnetic wave propagates along a feedline of the antenna;

means for receiving a second electromagnetic wave supplied by the antenna in a second position, wherein the second electromagnetic wave propagates along the feedline of the antenna, and wherein the first electromagnetic wave and the second electromagnetic wave propagate along the feedline without requiring an electrical return path; and

means for measuring a ratio of a first signal strength of the first electromagnetic wave and a second signal strength of the second electromagnetic wave.

20. The device of claim 19, wherein the first electromagnetic wave is generated responsive to the antenna receiving, in the first position, wireless signals from a source, and wherein the second electromagnetic wave is generated responsive to the antenna receiving, in the second position, the wireless signals from the source.