On the Aperture Efficiency of Intelligent Reflecting Surfaces

Chou Shih-Kai; Yurduseven Okan; Ngo Hien Quoc; Matthaiou Michail

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On the Aperture Efficiency of Intelligent Reflecting Surfaces

机译：智能反射表面的光圈效率

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摘要

The concept of intelligent reflecting surfaces (IRS) has recently gained significant attention due to their ability to manipulate the impinging electromagnetic signals and offer anomalous reflections. In this letter, we derive and address the missing piece of prior works, namely the IRS aperture efficiency. Our work provides practical guidelines for selecting the aperture size of the reflecting surface from an antenna designing point of view by taking tapering level into account, and also, revisits the pathloss expression based on a realistic physical model.

机译：智能反射表面（IRS）的概念最近引起了显着的关注，因为它们可以操纵撞击电磁信号并提供异常反射。在这封信中，我们派生并解决了缺失的事先作品，即IRS光圈效率。我们的作品提供了通过考虑逐渐变细层的天线设计视图中选择反射表面的光圈尺寸的实用指南，并且还基于现实的物理模型重新定位路径表达。

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来源
《Wireless Communications Letters, IEEE》 |2021年第3期|599-603|共5页
作者
Chou Shih-Kai; Yurduseven Okan; Ngo Hien Quoc; Matthaiou Michail;
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作者单位

Queens Univ Belfast Inst Elect Commun & Informat Technol Belfast BT7 1NN Antrim North Ireland;

Queens Univ Belfast Inst Elect Commun & Informat Technol Belfast BT7 1NN Antrim North Ireland;

Queens Univ Belfast Inst Elect Commun & Informat Technol Belfast BT7 1NN Antrim North Ireland;

Queens Univ Belfast Inst Elect Commun & Informat Technol Belfast BT7 1NN Antrim North Ireland;

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原文格式 PDF
正文语种 eng
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关键词
Communication systems; Apertures; Reflector antennas; Reflection; Aperture antennas; Electromagnetics; Guidelines; Aperture efficiency; intelligent reflecting surfaces; pathloss model;

机译：通信系统;孔径;反射天线;反射;光圈天线;电磁学;指南;光圈效率;智能反射表面;路径型模型;

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机译：智能反射表面辅助多输入多输出太赫兹系统的光谱效率优化
2. Cavity-excited Huygens’ metasurface antennas for near-unity aperture illumination efficiency from arbitrarily large apertures [J] . Ariel Epstein, Joseph P. S. Wong, George V. Eleftheriades Nature Communications . 2016,第1期

机译：腔激发的惠更斯超表面天线可从任意大孔径获得近统一孔径照明效率
3. Intelligent Reflecting Surface Versus Decode-and-Forward: How Large Surfaces are Needed to Beat Relaying? [J] . Wireless Communications Letters, IEEE . 2020,第2期

机译：智能反射表面与解码转发：击败中继需要多大的表面？
4. Design of a High-Gain and High Aperture Efficiency Fabry-Pérot Cavity Antenna Using a Novel Partially Reflecting Surface [C] . Peng Xie, Guangming Wang International Conference on Microwave and Millimeter Wave Technology . 2019

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5. Evaluation of laser cut stencil fabrication with respect to aperture wall quality and transfer efficiency for varying aperture geometries & area ratios. [D] . Solaiappan, Gowri Shankar. 2011

机译：针对孔壁质量和传输效率（针对不同的孔几何形状和面积比）评估激光切割模具的制造。
6. Cavity-excited Huygens metasurface antennas for near-unity aperture illumination efficiency from arbitrarily large apertures [O] . Ariel Epstein, Joseph P. S. Wong, George V. Eleftheriades -1

机译：腔激发的惠更斯超表面天线可从任意大孔径获得近统一孔径照明效率
7. On the Aperture Efficiency of Intelligent Reflecting Surfaces [O] . Shih-Kai Chou, Okan Yurduseven, Hien Quoc Ngo, 2021

机译：智能反射表面的光圈效率

On the Aperture Efficiency of Intelligent Reflecting Surfaces

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