Resonator-diplexer-antenna

Patent metadata

Field	Value
Publication number	US-11876294-B2
Application number	US-201917285299-A
Country	US
Kind code	B2
Filing date	Oct 15, 2019
Priority date	Oct 15, 2018
Publication date	Jan 16, 2024
Grant date	Jan 16, 2024

Abstract

Herein provided is a resonator-diplexer-antenna (RDA) structure, active radiator, and associated systems and methods. The RDA structure comprises an input port configured for obtaining an input signal; an outer band defining an outer perimeter and an inner perimeter, the input port coupled to the outer band at a first point thereof, the outer band being configured to accept the input signal from the input port; and a core structure contained and retained within the inner perimeter of the outer band; wherein the core structure and the outer band define at least one gap between the core structure and the outer band; and the outer band, core structure, and at least one gap are configured to resonate at a predetermined frequency; and an output port coupled to the outer band at the second point and configured for outputting an output signal.

First claim

The invention claimed is:

1. A resonator-diplexer-antenna (RDA) structure, comprising:
an input port configured for obtaining an input signal;
an outer band defining an outer perimeter and an inner perimeter, the input port coupled to the outer band at a first point thereof, the outer band being configured to accept the input signal from the input port;
a core structure contained and retained within the inner perimeter of the outer band; wherein
the core structure and the outer band define at least one gap between the core structure and the outer band; and
the outer band, core structure, and at least one gap are configured to resonate at a predetermined frequency; and

an output port coupled to the outer band at the second point and configured for outputting an output signal.

2. The structure of claim 1 , wherein the input signal comprises m components at m frequencies f 1 , f 2 , . . . f m , and wherein the output signal comprises n components at n frequencies f 1 , f 2 , . . . f n , wherein the n frequencies are a subset of the m frequencies.

3. The structure of claim 2 , wherein the predetermined frequency is different from a frequency of the output signal.

4. The structure of claim 3 , wherein the frequency of the output signal is a harmonic frequency of the predetermined frequency.

5. The structure of claim 1 , wherein the core structure is formed integrally with the outer band.

6. The structure of claim 1 , wherein the core structure is formed separately from the outer band and coupled thereto.

7. The structure of claim 1 , further comprising a dielectric material positioned in at least a portion of the at least one gap between the core structure and the outer band.

8. The structure of claim 7 , wherein the dielectric material comprises a portion of a substrate on which the outer band is formed.

9. The structure of claim 1 , wherein the at least one gap between the core structure and the outer band is at least one air gap.

10. The structure of claim 1 , further comprising at least one cover coupled to a substrate on which the outer band is formed and positioned to encompass at least part of the outer band and the core structure.

11. The structure of claim 10 , wherein the at least one cover comprises a bottom cover coupled to a bottom surface of the substrate, the bottom cover defining a cover slit which substantially aligns with a slit defined in the core structure.

12. The structure of claim 10 , wherein the at least one cover comprises a top cover coupled to a top surface of the substrate, the top cover defining at least one opening, the structure further comprising at least one tuning pin inserted in the at least one opening to adjust a resonance of the at least one gap.

13. The structure of claim 1 , wherein the core structure has defined therein a slit for blocking an undesirable signal forming part of the input signal.

14. The structure of claim 1 , further comprising a dielectric resonator affixed to at least part of the core structure and/or at least part of the outer band.

15. An active radiator system, comprising:
an amplifier; and
the RDA structure of claim 1 , wherein the input port of the RDA structure is coupled to an output port of the amplifier, and wherein the output port of the RDA structure is coupled to an input port of the amplifier.

16. The system of claim 15 , wherein the amplifier is configured for receiving the output signal and producing the input signal based on the output signal.

17. The system of claim 16 , wherein the amplifier is further configured for producing the input signal based on a length of connectors coupling the amplifier and the RDA structure.

18. The system of claim 15 , wherein the RDA structure is coupled to the amplifier via substrate-integrated waveguides.

19. A method for producing a resonator-diplexer-antenna (RDA) structure, comprising:
estimating, for a given substrate material, a cavity radius for a first resonant mode;
selecting, based on the estimated cavity radius, an outer radius and a radiation slot length;
selecting, based on the outer radius and the radiation slot length, an inner radius; and
producing the RDA structure having dimensions based on the cavity radius, the outer radius, the inner radius, and the radiation slot length.

20. The method of claim 19 , further comprising:
performing a simulation of a virtual RDA structure based on the cavity radius, the outer radius, the inner radius, and the radiation slot length; and
adjusting at least one of the cavity radius, the outer radius, the inner radius, and the radiation slot length based on the simulation.

Assignees

• Polyvalor Lp
• Polyvalor Lmited Partnership

Inventors

• Wang kuangda
• Ghiotto Anthony
• Ke Wu
• Fang Zhu

Classifications

• H01Q13/18 Primary

  the slot being backed by, or formed in boundary wall of, a resonant cavity (longitudinally slotted cylinder H01Q13/12 ){; Open cavity antennas} · CPC title

• H03F3/19

  with semiconductor devices only · CPC title

• H03F2200/451

  the amplifier being a radio frequency amplifier · CPC title

• H01Q1/38 Primary

  formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface  H01Q15/142)} · CPC title

• H01Q13/106

  Microstrip slot antennas (patch antenna elements H01Q9/0407) · CPC title