Reconfigurable intelligent surface: design the channel – a new opportunity for future wireless networks

• DOI: 10.1016/j.dcan.2021.11.002
• Publication Date: 2021-11-15T17:03:43Z
• Authors: Miguel Dajer; Zhengxiang Ma; Leonard Piazzi; Narayan Prasad; Xiao-Feng Qi; Baoling Sheen; Jin Yang; Guosen Yue
• Keywords: Signal Processing (eess.SP); Networking and Internet Architecture (cs.NI); FOS: Computer and information sciences; Computer Science - Information Theory; Information Theory (cs.IT); Channel estimation; Information technology; 02 engineering and technology; T58.5-58.64; Computer Science - Networking and Internet Architecture; Reconfigurable intelligent surface; MIMO; Reflectarray; Beamforming; FOS: Electrical engineering, electronic engineering, information engineering; 0202 electrical engineering, electronic engineering, information engineering; Transmitarray; Electrical Engineering and Systems Science - Signal Processing

In this paper, we survey state-of-the-art research outcomes in the burgeoning field of Reconfigurable Intelligent Surface (RIS), given its potential for significant performance enhancement next-generation wireless communication networks by means adapting a propagation environment. Emphasis has been placed on several aspects gating commercial viability future network deployment. Comprehensive summaries are provided practical hardware design considerations and broad implications artificial intelligence techniques, as in-depth outlooks salient system models, use cases, physical layer optimization techniques.