An antenna and communication device

CN119452524BActive Publication Date: 2026-07-14HUAWEI TECH CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Patents(China)
Current Assignee / Owner: HUAWEI TECH CO LTD
Filing Date: 2022-08-30
Publication Date: 2026-07-14

AI Technical Summary

Technical Problem

With the development of communication technology, the number of radiating ports of reflector antennas has increased, causing the radiating ports at different locations to deviate from their specific positions, reducing antenna efficiency. Especially in microwave communication, the beam alignment of the antenna is easily affected by external factors, leading to transmission link interruption.

Method used

The main reflector and the sub-reflector are set facing each other. The sub-reflector includes multiple curved surfaces and the virtual focal points do not coincide. The radiation port is located in the virtual focal point area. The phase is adjusted by a phase shifter in combination with the feed network to achieve beam scanning and ensure efficient reflection of the radiation port at different positions.

Benefits of technology

It improves the antenna's radiation efficiency, enhances beam scanning capability, reduces transmission link interruptions caused by external factors, and improves the stability of communication equipment.

✦ Generated by Eureka AI based on patent content.

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Figure CN119452524B_ABST

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Abstract

The application provides an antenna and a communication device, relates to the technical field of communication, and aims to solve the problem of low radiation efficiency of the antenna. The antenna provided by the application comprises a main reflecting surface, a sub reflecting surface and a feed source. The main reflecting surface and the sub reflecting surface are oppositely arranged. The feed source has a plurality of radiation ports. The electromagnetic waves emitted by the plurality of radiation ports are reflected to the main reflecting surface by the sub reflecting surface. The sub reflecting surface comprises a plurality of curved surfaces. The virtual focal points of the plurality of curved surfaces do not coincide. The plurality of radiation ports are located in the area formed by the plurality of virtual focal points. In the antenna provided by the application, the sub reflecting surface can provide a plurality of virtual focal points at different positions, can take into account a plurality of radiation ports at different positions, and can efficiently reflect the electromagnetic waves generated by the radiation ports at different positions, so that the radiation efficiency of the antenna can be effectively ensured.

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