Systems and methods of antenna design for full-duplex line of sight transmission

• US 10,333,593 B2
• Filed: 05/02/2017
• Issued: 06/25/2019
• Est. Priority Date: 05/02/2016
• Status: Active Grant

• Current Assignee: Amir Keyvan Khandani
• Original Assignee: Amir Keyvan Khandani
• Inventors: Khandani, Amir Keyvan
• Primary Examiner(s): Phan, Tho G
• Application Number:
  US15/585,130
• Publication Number:
  US 20170317809A1
• Time in Patent Office: 784 Days
• CPC Class Codes: H01F 2017/0026 Multilayer LC-filter
• CPC Class Codes: H01F 5/003 Printed circuit coils
• CPC Class Codes: H01Q 1/36 Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewithH01Q1/08, H01Q1/14 take precedence
• CPC Class Codes: H01Q 11/08 Helical antennas
• 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 19/13 the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination H01Q19/15 takes precedence
• CPC Class Codes: H01Q 19/132 Horn reflector antennas; Off-set feeding
• CPC Class Codes: H01Q 19/17 the primary radiating source comprising two or more radiating elements H01Q19/15, H01Q25/00 take precedence
• CPC Class Codes: H01Q 19/19 comprising one main concave reflecting surface associated with an auxiliary reflecting surface
• CPC Class Codes: H01Q 19/28 using a secondary device in the form of two or more substantially straight conductive elements log- periodic antennas H01Q11/10; constituting a reflecting surface H01Q19/10
• CPC Class Codes: H01Q 21/06 Arrays of individually energised antenna units similarly polarised and spaced apart
• CPC Class Codes: H01Q 21/24 Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction circularly polarised patch antennas H01Q9/0428; circularly polarised horns H01Q13/0241; cross-polarised horns H01Q13/0258; polarisation converters H01Q15/242; cross-polarised rear feeds H01Q19/136; crossed polarisation dual antenna H01Q25/001
• CPC Class Codes: H01Q 25/007 using two or more primary active elements in the focal region of a focusing device for operation on different wavebands H01Q5/22
• CPC Class Codes: H01Q 9/16 with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole H01Q9/44 takes precedence
• CPC Class Codes: H01Q 9/28 Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines waveguide horns or mouths H01Q13/00; slot antennas H01Q13/00
• CPC Class Codes: H01Q 9/30 with feed to end of elongated active element, e.g. unipole H01Q9/44 takes precedence
• CPC Class Codes: H01Q 9/44 with a plurality of divergent straight elements, e.g. V-dipole, X-antenna; with a plurality of elements having mutually inclined substantially straight portions combinations of two or more active elements H01Q21/00; turnstile antennas H01Q21/26
• CPC Class Codes: H03M 1/745 with weighted currents
• CPC Class Codes: H04B 7/043 using best eigenmode, e.g. beam forming or beam steering
• CPC Class Codes: H04B 7/0617 for beam forming
• CPC Class Codes: H04L 5/14 : Two-way operation using the same type of signal, i.e. duplex

Abstract

Methods and apparatuses are described for communicating primary signals over a high-speed primary channel, the primary signals having a beam pattern having a full lobe at a center of an axis of propagation and communicating auxiliary signals over a low-speed auxiliary channel, the auxiliary signals having a decoupled beam pattern having a null at the center of axis of propagation, the high-speed primary channel and low-speed auxiliary channel operating in full duplex.

Claims

1. An apparatus comprising:

a primary antenna for communication via a high-speed primary channel via signals having a beam pattern having a full lobe at a center of an axis of propagation of the signals; and

an auxiliary antenna for communication via a low-speed auxiliary channel via signals having a decoupled beam pattern having a null at the center of axis of propagation of the signals, the high-speed primary channel and low-speed auxiliary channel operating in full duplex.

2. The apparatus of claim 1, wherein the primary antenna comprises a dish antenna having an axis of symmetry corresponding to the axis of propagation.

3. The apparatus of claim 2, wherein the auxiliary antenna comprises a monopole placed within the dish antenna, the monopole having an axis (i) orthogonal to an interior of the dish and (ii) aligned with the axis of symmetry of the dish antenna.

4. The apparatus of claim 2, wherein the auxiliary antenna comprises a dipole placed within the dish antenna, the dipole having an axis (i) orthogonal to an interior of the dish antenna, and (ii) aligned with the axis of symmetry of the dish antenna.

5. The apparatus of claim 2, wherein the auxiliary antenna comprises symmetrically extended arms for propagation of the signals parallel to an opening of the dish antenna.

6. The apparatus of claim 1, wherein the high-speed primary channel is single polarized.

7. The apparatus of claim 1, wherein the high-speed primary channel is dual polarized.

8. The apparatus of claim 1, wherein the low-speed auxiliary channel is single polarized.

9. The apparatus of claim 1, wherein the low-speed auxiliary channel is dual polarized.

10. The apparatus of claim 1, wherein the axis of propagation is offset with respect to a second axis of propagation of a remote primary antenna.

11. A method comprising:

communicating primary signals over a high-speed primary channel, the primary signals having a beam pattern having a full lobe at a center of an axis of propagation; and

communicating auxiliary signals over a low-speed auxiliary channel, the auxiliary signals having a decoupled beam pattern having a null at the center of axis of propagation, the high-speed primary channel and low-speed auxiliary channel operating in full duplex.

12. The method of claim 11, wherein the primary signals are communicated using a primary antenna, the primary antenna comprising a dish antenna having an axis of symmetry corresponding to the axis of propagation.

13. The method of claim 12, wherein the auxiliary signals are communicated via an auxiliary antenna comprising a monopole placed within the dish antenna, the monopole having an axis (i) orthogonal to an interior of the dish and (ii) aligned with the axis of symmetry of the dish antenna.

14. The method of claim 12, wherein the auxiliary signals are communicated via an auxiliary antenna comprising a dipole placed within the dish antenna, the dipole having an axis (i) orthogonal to an interior of the dish antenna, and (ii) aligned with the axis of symmetry of the dish antenna.

15. The method of claim 11, wherein the primary signals are communicated using single polarization.

16. The method of claim 11, wherein the primary signals are communicated using dual polarization.

17. The method of claim 11, wherein the auxiliary signals are communicated using single polarization.

18. The method of claim 11, wherein the auxiliary signals are communicated using dual polarization.

19. The method of claim 11, wherein the auxiliary signals comprise control signals.

20. The method of claim 11, wherein the axis of propagation is misaligned with respect to a remote axis of propagation.