Reconfigurable Intelligent Surfaces for 6G -- Applications, Challenges and Solutions
Yajun Zhao, Xin Lv

TL;DR
This paper reviews the current state of reconfigurable intelligent surfaces (RIS) in 6G, discussing their applications, challenges, and potential solutions to guide future research and industrialization efforts.
Contribution
It provides a comprehensive overview of RIS engineering applications, analyzes key challenges, and proposes candidate solutions to advance 6G technology development.
Findings
RIS has rapid progress in engineering and industrialization
Identifies key challenges in RIS deployment and integration
Suggests future trends and research directions for RIS
Abstract
It is expected that scholars will continuously strengthen the depth and breadth of theoretical research on RIS, and provide a higher theoretical upper bound for the engineering application of RIS. While making breakthroughs in academic research, it has also made rapid progress in engineering application research and industrialization promotion. This paper will provide an overview of RIS engineering applications, and make a systematic and in-depth analysis of the challenges and candidate solutions of RIS engineering applications. Future trends and challenges are also provided.
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