Reconfigurable Intelligent Surfaces for 6G: Applications, Challenges and Solutions

Yajun Zhao; Xin Lv

doi:10.20944/preprints202212.0006.v2

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preprints.org > computer science and mathematics > information systems > doi: 10.20944/preprints202212.0006.v2

Preprint Review Version 2 Preserved in Portico This version is not peer-reviewed

Reconfigurable Intelligent Surfaces for 6G: Applications, Challenges and Solutions

Yajun Zhao

^* and

Xin Lv

Version 1 : Received: 30 November 2022 / Approved: 1 December 2022 / Online: 1 December 2022 (02:40:33 CET)
Version 2 : Received: 23 December 2022 / Approved: 26 December 2022 / Online: 26 December 2022 (01:45:18 CET)

A peer-reviewed article of this Preprint also exists.

Yajun Zhao. Reconfigurable intelligent surfaces for 6G: applications, challenges and solutions[J/OL]. Frontiers of Information Technology & Electronic Engineering, 2023. DOI： 10.1631/FITEE.2200666. Yajun Zhao. Reconfigurable intelligent surfaces for 6G: applications, challenges and solutions[J/OL]. Frontiers of Information Technology & Electronic Engineering, 2023. DOI： 10.1631/FITEE.2200666.

Abstract

It is expected that scholars will continue to strengthen the depth and breadth of theoretical research on RIS, so as to provide a higher theoretical upper bound for the engineering application of RIS. While making breakthroughs in academic research, great progress has been made in engineering application research and industrialization promotion. This article will provide an overview of RIS engineering applications, mainly including the typical features, typical classifications, and typical deployment scenarios of RIS. Then the challenges and candidate solutions of the RIS are systematically and deeply analyzed, involving the cascade channel decoupling for solving the RIS beamforming, the influences and solutions of RIS regulation constraints, RIS system architecture of network controlled mode, the integrated channel regulation and information modulation, TDD mechanism used for RIS. Future trends and challenges are also provided.

Keywords

Reconfigurable intelligent surfaces; 6G; Cascade Channel Decoupling; RIS Regulatory Constraint; RIS System Architecture; True Time Delay.

Subject

Computer Science and Mathematics, Information Systems

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Comments (1)

Comment 1

Received: 26 December 2022
Commenter: Yajun Zhao
Commenter's Conflict of Interests: Author

Comment: This version is revised according to the review comments. Some details have been corrected and proofread.

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