Antenna array decoupling structure based on coupled electromagnetic waves and design method thereof

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By setting up microwave absorber units and radiator units in the antenna array, and using coupled electromagnetic waves to absorb and radiate, the coupling problem of antenna arrays is solved and the radiation performance and isolation performance of the antenna array are improved.

CN120566076APending Publication Date: 2025-08-29ANHUI UNIV

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Patent Information

Application Number: CN202510729695.5
Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Filing Date: 2025-06-03
Publication Date: 2025-08-29

Application Information

Patent Timeline

03 Jun 2025

Application

CN202510729695.5

29 Aug 2025

Publication

CN120566076A

IPC: H01Q1/52; H01Q17/00; H01Q1/38; H01Q1/50; H01Q9/16; H01Q21/00

CPC: H01Q1/523; H01Q17/008; H01Q1/38; H01Q1/50; H01Q9/16; H01Q21/0006; H01Q21/0087

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Application Domain

Particular array feeding systems Radiating elements structural forms

Technology Topics

Secondary radiation Mechanical engineering

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AI Technical Summary

Technical Problem

In antenna array design, there are limitations in prior art such as DGS, EBG and ADS how to reduce the coupling effect between adjacent antenna units while being compactly arranged.

Method used

An antenna array decoupling structure based on coupled electromagnetic waves is designed, and the coupled electromagnetic waves are absorbed by setting a microwave absorber unit between adjacent antenna units and connected to the radiator unit through a feeding network structure, impedance conjugation matching is achieved to improve radiation performance.

Benefits of technology

Effectively reduce the coupling between adjacent units of the antenna array, improve the radiation and isolation performance of the antenna array, and enhance the overall performance of the antenna.

✦ Generated by Eureka AI based on patent content.

Patent Text Reader

Abstract

The invention discloses an antenna array decoupling structure based on coupled electromagnetic waves and a design method thereof, and relates to the technical field of antenna decoupling, the antenna array decoupling structure comprises a microwave absorber unit and a radiator unit; the microwave absorber unit is arranged between adjacent antenna units of the antenna array and is used for absorbing coupling electromagnetic waves between the adjacent antenna units; the radiator unit is connected with the microwave absorber unit through the feed network structure, and the coupled electromagnetic waves absorbed by the microwave absorber are radiated out, so that the radiation performance of the antenna array is improved; according to the above structure, the microwave absorber is utilized to absorb coupling electromagnetic waves, coupling between adjacent antenna units of the antenna array is reduced, and meanwhile, secondary radiation can be carried out through the radiator unit so as to enhance the radiation performance of the antenna array.

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