Feeding device

Patent metadata

Field	Value
Publication number	US-11322816-B2
Application number	US-201916726455-A
Country	US
Kind code	B2
Filing date	Dec 24, 2019
Priority date	Jun 26, 2017
Publication date	May 3, 2022
Grant date	May 3, 2022

Abstract

A feeding device is disclosed. The feeding device includes a body and at least one first port, the body includes at least one first contour port, and each of the at least one first contour port corresponds to one of the at least one first port; and the first contour port includes at least two sub-ports, and the at least two sub-ports of the first contour port are connected, by using at least one power splitter, to the first port corresponding to the first contour port. In the foregoing implementation solution, the first contour port is divided into several sub-ports, and the first port and the several sub-ports are connected by using the at least one power splitter.

First claim

What is claimed is:

1. A feeding device, comprising:
a body, comprising a first contour port protruding from a surface of the body, wherein the first contour port comprises a plurality of sub-ports extending from a side of the first contour port that faces away from the body; and
a first port, wherein the first contour port corresponds to the first port, and the plurality of sub-ports of the first contour port are connected, using a power splitter, to the first port, the power splitter being disposed between the first contour port and the first port.

2. The feeding device according to claim 1 , further comprising:
a second port; and
wherein the body further comprises a second contour port, the second contour port corresponds to the second port, and the second contour port and the second port are connected using a stepped impedance transformation structure.

3. The feeding device according to claim 2 , wherein a length a of each step of impedance structure in the stepped impedance transformation structure in a direction in which the second contour port points to the second port meets the following:
the length a is a quarter of a wavelength corresponding to a central frequency of an operating frequency band of the feeding device.

4. The feeding device according to claim 2 , wherein the stepped impedance transformation structure is a microstrip stepped impedance transformation structure.

5. The feeding device according to claim 2 , wherein the stepped impedance transformation structure is a strip line stepped impedance transformation structure.

6. The feeding device according to claim 2 , wherein the stepped impedance transformation structure is a coaxial line stepped impedance transformation structure.

7. The feeding device according to claim 2 , wherein the body further comprises a redundant port, and the redundant port is disposed between the first contour port and the second contour port.

8. The feeding device according to claim 1 , wherein the body further comprises a redundant port, and the redundant port is disposed between the first contour port and another first contour port.

9. The feeding device according to claim 8 , wherein the power splitter is a microstrip power splitter.

10. The feeding device according to claim 8 , wherein the power splitter is a strip line power splitter.

11. The feeding device according to claim 8 , wherein the power splitter is a coaxial line power splitter.

12. The feeding device according to claim 1 , further comprising:
a third port;
wherein the body further comprises a third contour port, the third contour port corresponds to the third port, and the third contour port and the third port are connected using a horn-shaped impedance converter.

13. A feeding device, comprising:
a body, comprising a plurality of first contour ports protruding from a surface of the body, wherein each first contour port of the plurality of first contour ports comprises a respective plurality of sub-ports extending from a side of the corresponding first contour port that faces away from the body; and
a plurality of first ports, wherein each first contour port of the plurality of first contour ports corresponds to a respective first port of the plurality of first ports, and each respective plurality of sub-ports of the plurality of first contour ports is connected, using a respective power splitter, to the respective first port of the plurality of first ports, and wherein for each first port of the plurality of first ports, the corresponding power splitter is disposed between the corresponding first contour port and the respective first port.

14. The feeding device according to claim 13 , further comprising:
a plurality of second ports; and
wherein the body further comprises a plurality of second contour ports, each second contour port of the plurality of second contour ports corresponds to a respective second port of the plurality of second ports, and each second contour port of the plurality of second contour ports is connected to the respective second port of the plurality of second ports using a respective stepped impedance transformation structure.

15. The feeding device according to claim 14 , wherein, for each stepped impedance transformation structure, a length a of each step of impedance structure in the respective stepped impedance transformation structure in a direction in which the corresponding second contour port points to the corresponding second port meets the following:
the length a is a quarter of a wavelength corresponding to a central frequency of an operating frequency band of the feeding device.

16. The feeding device according to claim 14 , wherein each stepped impedance transformation structure is a microstrip stepped impedance transformation structure.

17. The feeding device according to claim 14 , wherein each stepped impedance transformation structure is a strip line stepped impedance transformation structure.

18. The feeding device according to claim 14 , wherein each stepped impedance transformation structure is a coaxial line stepped impedance transformation structure.

19. The feeding device according to claim 14 , wherein the body further comprises a redundant port, and the redundant port is disposed between one first contour port of the plurality of first contour ports and one second contour port of the plurality of second contour ports.

20. The feeding device according to claim 13 , wherein the body further comprises a redundant port, and the redundant port is disposed between two of the plurality of first contour ports.

Assignees

• Huawei Tech Co Ltd

Inventors

• Xie Qingming
• Zhou Gaonan
• Liang Qiuyan
• Zhao Jianping

Classifications

• H01Q25/008

  lens fed multibeam arrays · CPC title

• H01P5/12 Primary

  Coupling devices having more than two ports (H01P5/04 takes precedence) · CPC title

• H01P5/1007

  Microstrip transitions to Slotline or finline · CPC title

• H01Q21/00

  Antenna arrays or systems (arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system H01Q3/00) · CPC title

• H01P5/085

  Coaxial-line/strip-line transitions · CPC title