Antenna and base station

Patent metadata

Field	Value
Publication number	US-12374782-B2
Application number	US-202318342922-A
Country	US
Kind code	B2
Filing date	Jun 28, 2023
Priority date	Dec 29, 2020
Publication date	Jul 29, 2025
Grant date	Jul 29, 2025

Abstract

An antenna includes a reflection plate, a radome, a radiating element, and a feeding network. The reflection plate has a first surface and a second surface, and the first surface is opposite to the second surface. The radome is covered on the reflection plate, the radome and the first surface of the reflection plate constitute an accommodation space. The radiating element is located in the accommodation space, and the radiating element is electrically connected to the feeding network. The feeding network is at least partially disposed on the second surface of the reflection plate.

First claim

What is claimed is:

1. An antenna, comprising:
a reflection plate, wherein the reflection plate has a first surface and a second surface, and the first surface is opposite to the second surface;
a radome, wherein the radome covers the first surface of the reflection plate, and the radome and the reflection plate provide a closed accommodation space;
a radiating element located in the closed accommodation space; and
a plurality of feeding networks at least partially disposed on the second surface, wherein the radiating element is electrically connected to a feeding network of the plurality of feeding networks, wherein the feeding network comprises a housing and a radio frequency transmission line component, wherein the housing is connected to the second surface, the housing and the second surface provide an accommodation cavity, and the radio frequency transmission line component is located in the accommodation cavity.

2. The antenna according to claim 1 , wherein the reflection plate is a metal reflection plate.

3. The antenna according to claim 1 , wherein the radome comprises a main cover body, a first end cover, and a second end cover, wherein the main cover body, the first end cover, the second end cover, and the first surface provide the closed accommodation space.

4. The antenna according to claim 3 , wherein the reflection plate comprises a main board body, and a first baffle plate and a second baffle plate respectively disposed on two sides of the main board body, the first baffle plate and the second baffle plate are disposed in parallel, and the main cover body is separately connected to the first baffle plate and the second baffle plate.

5. The antenna according to claim 4 , wherein a first boss is disposed on a side of the first baffle plate that is away from the second baffle plate, a second boss is disposed on a side of the second baffle plate that is away from the first baffle plate, and the main cover body is in contact with upper surfaces of the first boss and the second boss.

6. The antenna according to claim 4 , wherein a plurality of radiating elements are distributed in the closed accommodation space in an array of rows and columns.

7. The antenna according to claim 6 , wherein the reflection plate further comprises a plurality of partition boards, wherein an extension direction of the plurality of partition boards is the same as that of the first baffle plate, and at least one column of the plurality of radiating elements is disposed between the first baffle plate and a first partition board of the plurality of partition boards adjacent to the first baffle plate, the second baffle plate and a second partition board of the plurality of partition boards adjacent to the second baffle plate, or between two adjacent partition boards of the plurality of partition boards.

8. The antenna according to claim 6 , wherein each column of the plurality of radiating elements is electrically connected to a corresponding feeding network of the plurality of feeding networks.

9. The antenna according to claim 8 , wherein the accommodation cavity is a structure in which two ends pass through, and comprises a first opening and a second opening, and the first end cover is provided with a first projecting portion, the second end cover is provided with a second projecting portion, the first projecting portion is configured to block the first opening, and the second projecting portion is configured to block the second opening.

10. The antenna according to claim 9 , wherein a cross-section of the reflection plate is U-shaped, V-shaped, or W-shaped.

11. The antenna according to claim 9 , wherein:
the main board body is a flat plate; or
the main board body comprises a plurality of sub-board bodies, two adjacent sub-board bodies of the plurality of sub-board bodies are located on different planes, and the plurality of radiating elements is disposed on a side of the plurality of sub-board bodies that is located in the closed accommodation space.

12. The antenna according to claim 9 , wherein the first end cover and the second end cover, and the main cover body are integrally formed.

13. The antenna according to claim 9 , wherein the first end cover and the second end cover are detachably connected to the main cover body.

14. The antenna according to claim 1 , wherein the housing and the reflection plate are integrally formed.

15. The antenna according to claim 1 , wherein a cross section of the housing is U-shaped, V-shaped, semicircular, or elliptical.

16. The antenna according to claim 1 , wherein the plurality of feeding networks comprises a plurality of housings and a plurality of radio frequency transmission line components, wherein the plurality of housings comprises the housing and the plurality of radio frequency transmission line components comprises the radio frequency transmission line component, wherein each of the plurality of housings is connected to the second surface, each of the plurality of housings and the second surface providing an accommodation cavity housing a respective one of the plurality of radio frequency transmission line components.

17. The antenna according to claim 16 , wherein the plurality of housings are disposed at discrete intervals.

18. The antenna according to claim 16 , wherein the plurality of housings are disposed adjacent to each other.

19. A base station, comprising an antenna, wherein the antenna comprises:
a reflection plate, wherein the reflection plate has a first surface and a second surface, and the first surface is opposite to the second surface;
a radome, wherein the radome covers the first surface of the reflection plate, and the radome and the reflection plate provide a closed accommodation space;
a radiating element located in the closed accommodation space; and
a plurality of feeding networks at least partially disposed on the second surface, wherein the radiating element is electrically connected to a feeding network of the plurality of feeding networks, wherein the feeding network comprises a housing and a radio frequency transmission line component, wherein the housing is connected to the second surface, the housing and the second surface provide an accommodation cavity, and the radio frequency transmission line component is located in the accommodation cavity.

20. The base station according to claim 19 , wherein the reflection plate is a metal reflection plate.

Assignees

• Huawei Tech Co Ltd

Inventors

• Yang Zhiming
• Li Jianping
• Zhang Runxiao
• Hu Weifeng

Classifications

• H01Q21/061

  Two dimensional planar arrays · CPC title

• H01Q19/10

  using reflecting surfaces · CPC title

• H01Q1/42

  Housings not intimately mechanically associated with radiating elements, e.g. radome · CPC title

• H01Q1/02

  Arrangements for de-icing; Arrangements for drying-out {; Arrangements for cooling; Arrangements for preventing corrosion} · CPC title

• H01Q1/246 Primary

  specially adapted for base stations · CPC title