Standardization for Reconfigurable Intelligent Surfaces: Progresses, Challenges and the Road Ahead

Abstract

As a key technology of 5G advanced networks, the reconfigurable intelligent surfaces (RISs) have received widespread attention in the academia and the industry. To provide insights on the application scenarios and standardization roadmap of future-oriented RISs, we analyze characteristics of RISs and summarize white papers, projects and standardization efforts related to RISs. The difficulties and challenges in RIS research and standardization are also analyzed and our forecast on the roadmap of standardization on RIS is given accordingly.