RIS-assisted wireless communications: prototype validation and measurement progress

YANG Chenhong; SANG Jian; LI Xiao; TANG Wankai; JIN Shi

doi:10.11959/j.issn.1000-0801.2024189

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RIS-assisted wireless communications: prototype validation and measurement progress

Topic：Reconfigurable Intelligent Surface for 6G Network | 更新时间：2024-08-14

- RIS-assisted wireless communications: prototype validation and measurement progress
- Telecommunications Science Vol. 40, Issue 7, Pages: 1-12(2024)
- 作者机构：
  
  东南大学移动通信国家重点实验室，江苏南京 210096
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(62231009);The Natural Science Foundation of Jiangsu Province(BK20211511)
- DOI：10.11959/j.issn.1000-0801.2024189
  CLC： TN929.5
- Received：04 June 2024，
  
  Revised：2024-07-15，
  
  Published：20 July 2024
- 稿件说明：
移动端阅览
杨辰泓,桑健,李潇等.RIS辅助的无线通信：原型验证与实测进展[J].电信科学,2024,40(07):1-12.

YANG Chenhong,SANG Jian,LI Xiao,et al.RIS-assisted wireless communications: prototype validation and measurement progress[J].Telecommunications Science,2024,40(07):1-12.
杨辰泓,桑健,李潇等.RIS辅助的无线通信：原型验证与实测进展[J].电信科学,2024,40(07):1-12. DOI： 10.11959/j.issn.1000-0801.2024189.

YANG Chenhong,SANG Jian,LI Xiao,et al.RIS-assisted wireless communications: prototype validation and measurement progress[J].Telecommunications Science,2024,40(07):1-12. DOI： 10.11959/j.issn.1000-0801.2024189.

摘要

智能超表面（reconfigurable intelligent surface，RIS）具备以低功耗、低成本提升通信传输速率的特点，被视为6G的关键技术之一，近年来受到广泛关注。综述了RIS辅助的无线通信系统的信道测量进展，介绍了时域和频域测量系统的大致原理，并对大尺度衰落模型、小尺度衰落模型和信道互易性的原型验证工作进行了总结。进而，综述了RIS硬件特性方面的测量进展，分析了有源RIS以及RIS的功耗、比特数和极化等特性。此外，总结了RIS覆盖增强的测量进展，介绍了RIS的部署位置、相位设计和信道的有效秩对覆盖增强性能的影响。最后，展望了RIS辅助无线通信原型验证与实际测量的未来研究方向和可能面临的挑战。

Abstract

In recent years

reconfigurable intelligent surface (RIS) is regarded as one of the promising technologies for 6G because of low power consumption

low cost and the ability to improve communication transmission rate. The progress in measurements for RIS-assisted wireless communication systems was reviewed

with the time-domain and frequency-domain measurement systems introduced. The prototype verification for large-scale fading models

small-scale fading models and channel reciprocity were summarized. Then

the advancements in measuring RIS hardware was reviewed

characteristics were concluded in power consumption

bit levels

polarization

and active RIS. Furthermore

the measurement on RIS coverage enhancement were summarized

introducing the impact of deployment locations

phase design

and effective rank on performance of coverage enhancement. Finally

future research directions and potential challenges faced by practical RIS measurements were discussed.

关键词

Keywords

references

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