| 摘要: |
| 针对现有高频段智能反射面（Intelligent Reflection Surface，IRS）无法满足工业应用低成本、高可靠性需求的问题，设计了一种面向2.4 GHz工业场景的轻薄低损耗反射补偿型IRS。提出了金属层无穿孔结构，通过调整接地层和偏置层位置，避免了穿孔，降低了电磁能量损失；设计了顶层贴片形成三片式对称结构，通过最大化两个可调谐器件的共振范围，有效减少了入射信号的能量损失，并提供了足够的相位跨度。仿真结果表明，所设计的2 mm厚的IRS反射幅值损耗低于1.6 dB，反射相位跨度296°，相较于现有可应用于2.4 GHz频段的原型同等相位下反射幅值提升61.9%，同等幅值下反射相位提升5倍。此外，所设计的原型具有很高的相位可调性和稳定性。 |
| 关键词: 工业无线网络 智能反射面(IRS) 微波仿真 非视距通信 反射补偿 |
| DOI：10.20079/j.issn.1001-893x.240315002 |
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| 基金项目:国家自然科学基金资助项目(62403456)；辽宁省自然科学基金项目(2024-BSBA-54)；沈阳自动化研究所基础研究项目 (2022JC1K08); 辽宁省“兴辽英才计划”项目(XLYC2203148) |
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| A Lightweight and Low-loss Reflection Compensation-type Intelligent Reflection Surface for 2.4 GHz Industrial Scenarios |
| LIANG Wei,LU Yi,ZHANG Jialin,XIA Ye,XU Chi |
| (1.State Key Laboratory of Robotics,Shenyang Institute of Automation,Chinese Academy of Sciences,Shenyang 110016,China;2.Key Laboratory of Networked Control Systems,Chinese Academy of Sciences,Shenyang 110016,China;3.University of Chinese Academy of Sciences,Beijing 100049,China) |
| Abstract: |
| For the problem that the existing high-frequency band intelligent reflection surface(IRS) cannot meet the low cost and high reliability requirements of industrial applications,a lightweight and low-loss reflection compensation IRS is designed for 2.4 GHz industrial scenarios.A non-perforated metal layer structure is proposed.By adjusting the positions of the ground layer and bias layer,perforations are avoided,and electromagnetic energy loss is reduced.The top-layer patch is designed to form a three-piece symmetrical structure,which maximizes the resonance range of the two tunable devices,which effectively reduces the energy loss of the incident signal and provides sufficient phase span.The simulation results show that the reflection amplitude loss of the designed 2 mm thick IRS is less than 1.6 dB,and the reflection phase span is 296°.Compared with that of the existing prototype that can be applied to the 2.4 GHz frequency band,the reflection amplitude is increased by 61.9% at the same phase,and the reflection phase is increased by 5 times at the same amplitude.In addition,the designed prototype has high phase adjustability and stability. |
| Key words: industrial wireless network intelligent reflecting surface(IRS) CST microwave studio non-line-of-sight communication reflection compensation |
