Overview of reconfigurable intelligent surface for new-generation mobile communication

Zilu GAO; Shaohui SUN; Li LI

doi:10.11959/j.issn.1000-0801.2022278

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Overview of reconfigurable intelligent surface for new-generation mobile communication

Topic: 6G Wireless Transmission Technology | 更新时间：2024-06-05

- Overview of reconfigurable intelligent surface for new-generation mobile communication
- Telecommunications Science Vol. 38, Issue 10, Pages: 20-35(2022)
- 作者机构：
  
  1. 北京航空航天大学，北京 100083
  2. 中信科移动通信技术股份有限公司，北京 100083
  3. 无线移动通信国家重点实验室（电信科学技术研究院有限公司），北京 100191
  4. 电信科学技术研究院，北京 100191
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2022278
  CLC： TN929.5
- Published Online：2022-10，
  
  Published：20 October 2022
- 稿件说明：
移动端阅览
Zilu GAO, Shaohui SUN, Li LI. Overview of reconfigurable intelligent surface for new-generation mobile communication[J]. Telecommunications science, 2022, 38(10): 20-35.
DOI：

Zilu GAO, Shaohui SUN, Li LI. Overview of reconfigurable intelligent surface for new-generation mobile communication[J]. Telecommunications science, 2022, 38(10): 20-35. DOI： 10.11959/j.issn.1000-0801.2022278.

摘要

智能超表面（reconfigurable intelligent surface，RIS）技术是6G的潜在关键技术之一，具有低成本、低功耗和易部署等特点。通过智能地调控空间中的电磁波，RIS 可以辅助构建智能可控的无线电磁环境，从而为移动通信的发展提供一种新范式。首先，对 RIS 的基础原理、主要技术优势和应用场景进行了分析。其次，对RIS应用于通信传输中的信道估计、波束成形等关键技术进行了探讨，并给出了相关研究建议。最后，从硬件实现、算法设计和网络部署3个方面分析了目前RIS技术在实际应用中面临的主要挑战。

Abstract

Reconfigurable intelligent surface technology

which features low cost

low energy consumption and easy deployment

is the potential key technology of 6G.By intelligently regulating electromagnetic waves in space

RIS can assist in building an intelligent and controllable wireless electromagnetic environment

thus providing a new paradigm for the development of mobile communications.Firstly

the basic principle

main technology advantages and application scenarios were analyzed.Then

the key technologies such as channel estimation and beamforming in RIS aided communication transmission were discussed

and relevant research suggestions were given.Finally

the main challenges of RIS technology in practical application were analyzed from the aspects of hardware implementation

algorithm design and network deployment.

关键词

Keywords

references

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