一种动态超表面天线阵列
By designing a dynamic metasurface antenna array, combined with a power divider network and an analog phase-shifting structure, high-precision beamforming and wide-angle coverage of the DMA array were achieved, solving the problem of limited beam accuracy and coverage angle of existing DMA arrays, and supporting WLAN band communication.
CN120545689BActive Publication Date: 2026-07-17HUAZHONG UNIV OF SCI & TECH
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HUAZHONG UNIV OF SCI & TECH
- Filing Date
- 2025-05-16
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing DMA arrays are limited in terms of beam accuracy and coverage angle, making it difficult to meet the application requirements of high-frequency, large-scale antenna arrays.
Method used
By employing a dynamic metasurface antenna array, combined with a power divider network, a simulated phase-shifting structure, and an air dielectric antenna, continuous phase adjustment and signal superposition are achieved through a simulated phase shifter to generate a dynamic beam.
Benefits of technology
It significantly improves the angular range and beamforming capability of the beam coverage, enhances beam pointing accuracy and antenna radiation efficiency, and supports WLAN band communication.
✦ Generated by Eureka AI based on patent content.
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Figure CN120545689B_ABST
Abstract
本发明公开了一种动态超表面天线阵列，属于无线通信技术领域，包括：功分网络、模拟移相结构和空气介质天线；DMA阵列接收射频输入信号后，被一个功分网络进行等分，输出至模拟移相结构的各个移相器单元。每一个移相器单元在控制器的作用下根据预定义的控制信号对每一路信号进行不同程度的移相，并输出至空气介质天线阵列相对应的天线单元中。各个天线单元将不同相移量的信号辐射至外界，各路信号相干叠加进而生成波束，实现动态波束赋形。本方案将模拟移相结构与动态控制进行结合，相较于现有的基于PIN二极管的离散相位调控DMA阵列，能够显著提升波束可覆盖的角度范围以及波束赋形能力。
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